Question

Me ajudem a resolver a questão numero 10?

Answer 1

$(4-\frac{4}{5}) + (9+ \frac{1}{3}) = ( \frac{20-4}{5}) + ( \frac{27+1}{3}) = \frac{16}{5}+ \frac{28}{3} = \frac{48+140}{15} = \frac{188}{15}$