Respuesta :

TheUnknownScientist

Answer:

2/5 + 1/4

2(4) + 1(5) ÷ 5(4)

8 + 5/20

13/20

3/6 + 2/8

3(8) + 2(6) ÷ 6(8)

24 + 12 ÷ 48

36/48

3/4

1/7 + 2/3

1(3) + 2(7) ÷ 7(3)

3 + 14 ÷ 21

17/21

3/5 + 1/6

3(6) + 5(1) ÷ 5(6)

18 + 5/30

23/30

1/3 + 2/5

1(5) + 2(3) ÷ 3(5)

5 + 6/15

11/15

-TheUnknownScientist 72