NCERT Class 7 Mathematics Solutions: Chapter 2 –Fractions and Decimals Exercise 2.4 Part 1

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Definations of Decimal, Fraction and Percent

Definations of Decimal, Fraction and Percent

Definations of Decimal, Fraction and Percent

1. Find

(i)

(ii)

(iii)

(iv)

(v)

(vi)

Answer:

(i)

(ii)

(iii)

(iv)

(v)

(vi)

2. Find the reciprocal of each of the following fractions. Classify the reciprocals as proper fraction, improper fractions and whole numbers.

(i)

(ii)

(iii)

(iv)

(v)

(vi)

(vii)

Answer:

A proper fraction is the fraction which has its denominator greater than its numerator while improper fraction is the fraction which has its numerators greater than its denominator

Whole numbers are a collection of all positive integers including .

(i)

Reciprocal

So, it is an improper fraction.

(ii)

Reciprocal

So, it is an improper fraction.

(iii)

Reciprocal

So, it is a proper fraction.

(iv)

Reciprocal

So, it is a proper fraction.

(v)

Reciprocal

So, it is a proper fraction.

(vi)

Reciprocal

So, it is a whole number.

(vii)

Reciprocal

So, it is a whole number.