Question

Fracciones ;)

Suma

2/21 + 5/7 =??

8/6 + 7/42 =??

13/2 + 3/11 =??

21/15 + 8/3 =??

Resta

8/7 - 3/8 =??

11/5 - 9/35 =??

9/3 - 8/7 =??

10/6 - 4/8 =??

Answer 1

Respuesta:

2/21+15/21=17/21

56/42+7/42=63/42

143/22+33/22=176/22

21/15+40/15=61/15

64/56-24/56=40/56

77/35-9/35=68/35

63/21-24/21=39/21

80/48-24/48=56/48