Question

calcula y simplifica

Answer 1

3/4 + 1/4  = 4/4 = 1 entero
3/8 + 1/8  = 4/8 = 2/4 = 1/2
1/9 + 2/9  = 3/9 = 1/3
6/9 -  3/9  = 3/9 = 1/3
8/10 - 3/10 = 5/10 = 1/2
8/12 - 4/12 =4/12 = 1/3