Which fraction is equivalent to (21)/(28) A: (18)/(36) B: (12)/(18) C: (3)/(4) D: (1)/(3)

Question

Which fraction is equivalent to
`(21)/(28)`

A:
`(18)/(36)`
B:
`(12)/(18)`
C:
`(3)/(4)`
D:
`(1)/(3)`

Answer 1

`(21)/(28)=(21:7)/(28:7)=(3)/(4)\to\boxed{C}`