Question

Resolver las siguientes sumas y restas:
3/10 - 1/12 =
1/5 + 4/3 + 1/2 =
21/13 + 14/13 + 10/13 =
2/3 + 1/9 + 3/5 =
2/3 - 4/7 =
4/7 + 2/4 + 1/8 =

Answer 1

Respuesta:

3/10-1/12= 2/2

1/5+4/3+1/2= 6/ 11

21/3+14/13+10/13= 45/ 39

2/3+1/9+3/5= 6/ 9

2/3-4/7= 2/ 4

4/7 + 2/4+1/8= 7/ 19