Question

3/4+2/7+1/4+1/7+4/7=

Answer 1

=3/4+2/7+1/7+4/7+1/4

=1+1/4+3/7

=5/4+3/7

=35/28+12/28

=47/28

Answer 2

`3/4 + 2/7 +1/4 +1/7+4/7`

`=(3/4+1/4)+(2/7+1/7+4/7)`

`= 4/4 + 7/7`

`=1+1`

`=2`

Answer 3

3/4 + 2/7 + 1/4 + 1/7 + 4/7

= (3/4 + 1/4) + (2/7 + 1/7 + 4/7)

= 1 + 1

= 2