Question

by what number should 1/5 be multiplied so that the product may be equal to 1/7

Answer 1

hi my mate☺☺
let the no. be x☺☺
so,
1/5×x=1/7☺☺
x=1/7×5☺☺
x=5/7☺☺
bye my mate☺☺

Answer 2

1/5×x=1/7
x=1/7×5
x=5/7
hence the number is 5/7