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3/7 is an equivalent fraction of 15/ 35

3×6 = 18

⇒ 18/42 is an equivalent fraction of 15/35

3×6 = 18

⇒ 18/42 is an equivalent fraction of 15/35

the factors of 15 are 1,3,5

factor of 35are 1,5,7

common factor are 5 divide numerator and denominator by hcf of 15 and 35

then 15/35 =15÷5/35÷5

=3/7 is tthe ans

then multiply it wth 6

18/42