Question

Find the fraction equivalent to 5/7 with: a) numerator 25 b) denominator 42​

Answer 1

25/35

30/42

To get 25/35 multiply by 5

To get 30/42 multiply by 6

Answer 2

a) 25/35

b) 30/42

Explanation:

a)

Variable x = denominator if numerator is 25

5/7 = 25/x

5 × x = 7 × 25

5x = 175

x = 35

b)

Variable y = numerator if denominator is 42

5/7 = y/42

5 × 42 = 7 × y

210 = 7y

30 = y