Question

Please answer meee.......​

Answer 1

Answers:

i.
`(4)/(7) *(14)/(15)=(8)/(15)`

ii.
`4(1)/(2) *(4)/(9)=2`

iii.
`2(1)/(7) *3(2)/(5)=(51)/(7)`

iv.
`(4)/(5) *(5)/(4)=1`

v.
`(1)/(2) *(3)/(4) *(5)/(7)=(15)/(56)`

How I did it:

Cross canceling