Question

quero as questoes

resultado de forma irredutivel

3/9 + 3/9 =
5/12 +6/12 + 3/12=
4/7 + 2/7 5/7=
2/4 + 2/4=

Answer 1

3/9+3/9=6/9=2/3
5/12+6/12+3/12=14/12=7/6
4/7+2/7+5/7=11/7
2/4+2/4=4/4=1