Question

2/7 + 4/7 + 3/5 =

5/9 + (2/5 + 3/5) =

Mik cần gấp

Answer 1

51/35

14/9

Answer 2

51/35

5/9+ 1 = 14/9

Answer 3

51/35

14/9

Answer 4

2/7 + 4/7 + 3/5 = 6/7 + 3/5 = 51/35

5/9 + (2/5 + 3/5) = 5/9 + 1 = 14/9 

Answer 5

2/7 + 4/7 + 3/5 = 51/ 35
5/9 + ( 2/5 + 3/5 ) = 14/9

Answer 6

1) 51/35

2) 14/9