Question

13/6 + 3/5 + 3/15 =
7/8 - 2/3 - 4/12 =
20/30 - 8/15 + 3/5 =
-7/11 + 2 1/2 - 6/33 =

Answer 1

Respuesta:

13/6 + 3/5 + 3/15 = 89/30

7/8 - 2/3 - 4/12 =1/8

20/30 - 8/15 + 3/5 =11/15

-7/11 + 2 1/2 - 6/33 =37/22