Question

Resolva as seguintes frações
1/2+1/3=
1/2+1/4=
1/3+1/4=

Answer 1

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

1/2 + 1/4 = 2/4 +1/4 = 3/4

1/3 + 1/4 = 4/12 + 3/12 = 7/12