Class 6 Exam  >  Class 6 Notes  >  RD Sharma Solutions for Class 6 Mathematics  >  RD Sharma Solutions -Ex-7.4, Decimals, Class 6, Maths

Ex-7.4, Decimals, Class 6, Maths RD Sharma Solutions | RD Sharma Solutions for Class 6 Mathematics PDF Download

Question 1

Express the following fractions as decimals:

i) Ex-7.4, Decimals, Class 6, Maths RD Sharma Solutions | RD Sharma Solutions for Class 6 Mathematics

Solution: 2310 = 20+310 = 2010+310 = 2+310 = 2.3

ii) Ex-7.4, Decimals, Class 6, Maths RD Sharma Solutions | RD Sharma Solutions for Class 6 Mathematics

Solution: 139100= 10+30+9100 = 100100+30100+9100 = 1+310+9100 = 1.39

iii) Ex-7.4, Decimals, Class 6, Maths RD Sharma Solutions | RD Sharma Solutions for Class 6 Mathematics

Solution: 43751000 = 4000+300+70+51000 = 40001000+3001000+701000+51000 = 4+310+7100+51000 = 4.375

iv) Ex-7.4, Decimals, Class 6, Maths RD Sharma Solutions | RD Sharma Solutions for Class 6 Mathematics

Solution: 1212 = 12+12 = 12+1(52)(5) = 12+510 = 12.5

v) Ex-7.4, Decimals, Class 6, Maths RD Sharma Solutions | RD Sharma Solutions for Class 6 Mathematics

Solution:7514 = 75+14 = 75+1(254)(25) = 75+25100 = 75.25

vi) Ex-7.4, Decimals, Class 6, Maths RD Sharma Solutions | RD Sharma Solutions for Class 6 Mathematics

Solution: 2518 = 25+1(1258)(125) = 25+1251000 = 25.125

vii) Ex-7.4, Decimals, Class 6, Maths RD Sharma Solutions | RD Sharma Solutions for Class 6 Mathematics

Solution: 18324= 18+324 =18+18 =18+125(1125)(8) = 18+1251000 = 18.125

viii) Ex-7.4, Decimals, Class 6, Maths RD Sharma Solutions | RD Sharma Solutions for Class 6 Mathematics

Solution: 39735 = 39+735 = 39+15 = 39+1(25) (2) = 39+210 = 39.2

ix) Ex-7.4, Decimals, Class 6, Maths RD Sharma Solutions | RD Sharma Solutions for Class 6 Mathematics

Solution: 15125 =15+125 = 15+1(1)(425)(4) = 15+4100 = 15.04

  1. Ex-7.4, Decimals, Class 6, Maths RD Sharma Solutions | RD Sharma Solutions for Class 6 Mathematics

111250 = 111(4250)(4) = 4441000 = 0.444

 

Question 2

Express the following decimals as fractions in the lowest form:

i) 0.5
Solution: = Ex-7.4, Decimals, Class 6, Maths RD Sharma Solutions | RD Sharma Solutions for Class 6 Mathematics

ii) 2.5
Solution: = Ex-7.4, Decimals, Class 6, Maths RD Sharma Solutions | RD Sharma Solutions for Class 6 Mathematics

iii) 0.60
Solution: = Ex-7.4, Decimals, Class 6, Maths RD Sharma Solutions | RD Sharma Solutions for Class 6 Mathematics

iv) 0.18
Solution: = Ex-7.4, Decimals, Class 6, Maths RD Sharma Solutions | RD Sharma Solutions for Class 6 Mathematics

v) 5.25 
= Ex-7.4, Decimals, Class 6, Maths RD Sharma Solutions | RD Sharma Solutions for Class 6 Mathematics

vi) 7.125 
= Ex-7.4, Decimals, Class 6, Maths RD Sharma Solutions | RD Sharma Solutions for Class 6 Mathematics

vii) 15.004 
Solution: = Ex-7.4, Decimals, Class 6, Maths RD Sharma Solutions | RD Sharma Solutions for Class 6 Mathematics

viii) 20.375 
Solution: = Ex-7.4, Decimals, Class 6, Maths RD Sharma Solutions | RD Sharma Solutions for Class 6 Mathematics

ix) 600.75 
Solution:= Ex-7.4, Decimals, Class 6, Maths RD Sharma Solutions | RD Sharma Solutions for Class 6 Mathematics

The document Ex-7.4, Decimals, Class 6, Maths RD Sharma Solutions | RD Sharma Solutions for Class 6 Mathematics is a part of the Class 6 Course RD Sharma Solutions for Class 6 Mathematics.
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FAQs on Ex-7.4, Decimals, Class 6, Maths RD Sharma Solutions - RD Sharma Solutions for Class 6 Mathematics

1. What are decimals?
Ans. Decimals are a way to represent numbers that are not whole. They are a part of the number system and are used to express numbers that lie between two whole numbers.
2. How do you read a decimal number?
Ans. To read a decimal number, we start from the left and read each digit separately. We say the whole number part first, followed by the word "and," and then read the decimal part digit by digit. For example, 3.25 is read as "three and twenty-five hundredths."
3. How do you compare decimal numbers?
Ans. To compare decimal numbers, we compare the whole number parts first. If they are the same, we compare the tenths place, then the hundredths place, and so on. If the digits in the corresponding places are the same, we move on to the next digit until we find a difference.
4. How do you add decimal numbers?
Ans. To add decimal numbers, we line up the decimal points and then add the digits in the corresponding places. If there are any extra digits, we carry them over to the next place value. Finally, we place the decimal point in the sum directly below the decimal point in the given numbers.
5. How do you subtract decimal numbers?
Ans. To subtract decimal numbers, we line up the decimal points and then subtract the digits in the corresponding places. If the digit in the subtrahend is larger than the digit in the minuend, we borrow from the next place value. Finally, we place the decimal point in the difference directly below the decimal point in the given numbers.
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