Question

4/5 + 1/7 =
3/10 + 1/12=
2/3 + 4/7
ayuda​

Answer 1

Respuesta:

4/5 + 1/7 = $\frac{33}{35}$

3/10 + 1/12 = $\frac{23}{60}$

2/3 + 4/7 = $\frac{26}{21}$