Class 7 Exam > Class 7 Videos > Mathematics (Maths) Class 7 > Converting Fractional Numbers to Percentage
Converting Fractional Numbers to Percentage Video Lecture | Mathematics (Maths) Class 7
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FAQs on Converting Fractional Numbers to Percentage Video Lecture - Mathematics (Maths) Class 7
| 1. How do you convert a fractional number to a percentage? |  |
To convert a fractional number to a percentage, you can follow these steps:
1. Divide the numerator of the fraction by the denominator.
2. Multiply the result by 100 to get the decimal form.
3. Add the percentage symbol (%) to the decimal to obtain the percentage form.
For example, to convert the fraction 3/4 to a percentage:
1. Divide 3 by 4: 3 ÷ 4 = 0.75.
2. Multiply 0.75 by 100: 0.75 × 100 = 75.
3. Add the percentage symbol: 75%.
| 2. Can you provide an example of converting a fractional number to a percentage? | |
Certainly! Let's convert the fraction 2/5 to a percentage:
1. Divide 2 by 5: 2 ÷ 5 = 0.4.
2. Multiply 0.4 by 100: 0.4 × 100 = 40.
3. Add the percentage symbol: 40%.
So, the fraction 2/5 is equal to 40% when converted to a percentage.
| 3. Is there a shortcut method to convert a fractional number to a percentage? | |
Yes, there is a shortcut method to convert a fractional number to a percentage. You can simply multiply the fraction by 100 to get the percentage form.
For example, to convert the fraction 5/8 to a percentage using the shortcut method:
1. Multiply 5 by 100: 5 × 100 = 500.
2. Divide the result by 8: 500 ÷ 8 = 62.5.
3. Add the percentage symbol: 62.5%.
So, the fraction 5/8 is equal to 62.5% when converted to a percentage using the shortcut method.
| 4. How can I convert a mixed number to a percentage? | |
To convert a mixed number to a percentage, you first need to convert it to an improper fraction and then apply the steps to convert a fraction to a percentage.
For example, let's convert the mixed number 1 3/4 to a percentage:
1. Convert the mixed number to an improper fraction: 1 3/4 = (4 × 1 + 3) / 4 = 7/4.
2. Divide 7 by 4: 7 ÷ 4 = 1.75.
3. Multiply 1.75 by 100: 1.75 × 100 = 175.
4. Add the percentage symbol: 175%.
So, the mixed number 1 3/4 is equal to 175% when converted to a percentage.
| 5. Can you explain how to convert a percentage to a fractional number? | |
Certainly! To convert a percentage to a fractional number, you can follow these steps:
1. Remove the percentage symbol (%) from the number.
2. Write the number as a fraction with the value of the percentage as the numerator and 100 as the denominator.
3. Simplify the fraction, if possible.
For example, to convert 30% to a fractional number:
1. Remove the percentage symbol: 30.
2. Write the number as a fraction: 30/100.
3. Simplify the fraction by dividing both the numerator and denominator by their greatest common divisor: 30/100 = 3/10.
So, 30% is equal to 3/10 when converted to a fractional number.
About this Video
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Nov 22, 2024 Last updated |
Video Description: Converting Fractional Numbers to Percentage for Class 7 2024 is part of Mathematics (Maths) Class 7 preparation.
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