Question

1- Resolva as frações abaixo:
a) 2/4 - 6/4 + 12/4
b) 6/3 - 7/3 + 2/3

Answer 1

a) 2-6+12
------------ =
4
16/4 = 4

b) 6-7+2
--------- =
3
-1+2
--------- =
3
1/3