Question

Efetue os cálculos 9/2 - 5/4 com toda a conta

Answer 1

9/2 - 5/4
8;5-1;25
7;25

Answer 2

$\frac{9}{2}-\frac{5}{4}=\\ \\ mmc(2,4)=4\\ \\ \frac{18-5}{4}=\frac{13}{4}$