=(2/5+3/5)+(2/3+1/3)+(3/4+1/4)
=1+1+1=3
`2/5+6/9+3/4+3/5+1/3+2/8`
`=(2/5+3/5)+(6/9+1/3)+(3/4+2/8)`
`=5/5+(6/9+3/9)+(6/8+2/8)`
`=1+9/9+8/8=1+1+1=3`
2/5 + 6/9 + 3/4 + 3/5 + 1/3 + 2/8
= (2/5 + 3/5) + (6/9 + 1/3) + (3/4 + 2/8)
= 1 + 1 + 1
= 3
2/5 + 6/9 + 3/4 + 3/5 + 1/3 + 2/8
= ( 2/5+3/5 ) + ( 2/3+1/3 ) + ( 3/4+1/4 )
=1 + 1 + 1
= 3
2/5 + 6/9 + 3/4 + 3/5 + 1/3 + 2/8
=(2/5+3/5)+(2/3+1/3)+(3/4+1/4)
=1+1+1=3
= (2/5 + 3/5) + (6/9 + 1/3) + (3/4 + 2/8)
= 1 + 1 1
= 3
