Question

Calculati : A) 3,2-1,(3)-1,1(6)

Answer 1

$\frac{32}{10} - \frac{13}{9} - \frac{116}{90} =$     (aduceam la acelasi numitor 90)

=$\frac{288}{90}- \frac{130}{90} - \frac{116}{90} =$

=$\frac{288-130-116}{90}$=

=$\frac{42}{90}$

=$\frac{21}{45}$

=$\frac{7}{15}$ -fractie ireductibila