Question

Which pair of fractions is equivalent to this pair:
`(3)/(5)` and
`(2)/(7)`

A:
`(7)/(35)` and
`(5)/(35)`
B:
`(21)/(35)` and
`(10)/(35)`
C:
`(24)/(35)` and
`(12)/(35)`
D:
`(10)/(35)` and
`(7)/(35)`

Answer 1

`(3)/(5)=(3\cdot7)/(5\cdot7)=(21)/(35)\\\\(2)/(7)=(2\cdot5)/(7\cdot5)=(10)/(35)\\\\Answer:\ \boxed{B.}`