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Parts and Wholes: Fractions Video Lecture | Mathematics for Class 5: NCERT

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FAQs on Parts and Wholes: Fractions Video Lecture - Mathematics for Class 5: NCERT

1. What is a fraction and how is it represented?
Ans.A fraction represents a part of a whole and is written as two numbers separated by a slash, like this: a/b, where 'a' is the numerator (the number of parts we have) and 'b' is the denominator (the total number of equal parts in the whole).
2. How do you simplify a fraction?
Ans.To simplify a fraction, you need to divide both the numerator and the denominator by their greatest common divisor (GCD). This reduces the fraction to its simplest form. For example, to simplify 4/8, both 4 and 8 can be divided by 4, resulting in 1/2.
3. What is the difference between proper and improper fractions?
Ans.A proper fraction has a numerator that is less than its denominator (e.g., 3/5), while an improper fraction has a numerator that is greater than or equal to its denominator (e.g., 7/4). Improper fractions can also be expressed as mixed numbers.
4. How do you add fractions with different denominators?
Ans.To add fractions with different denominators, you first need to find a common denominator, which is usually the least common multiple (LCM) of the denominators. Then, convert the fractions to have the same denominator, add the numerators, and keep the common denominator.
5. What are equivalent fractions and how can they be identified?
Ans.Equivalent fractions are different fractions that represent the same value or part of a whole. They can be identified by multiplying or dividing the numerator and denominator of a fraction by the same non-zero number. For example, 1/2 and 2/4 are equivalent fractions.
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