Respuesta :

So start by 3/5 *3/3 and 1/3*5/5

3 9/15+ 9 5/15 now just add

12 14/15 is your answer
alaixa
3 3/5 = 3.6
9 1/3 = (approximately) 9.3

9.3 + 3.6 = 12.9