Question

4/15 - 2/3 x 9/10


(o "X" significa vezes)

Answer 1

$\frac{4}{15} - \frac{2}{3} \times \frac{9}{10} =$

$\frac{4}{15} - \frac{18}{30} =$

15,30 | 2

15,15 | 3

5 , 5 | 5

1 , 1 MMC 2×3×5 =

MMC 6×5 = 30

$\frac{8 - 18}{30} =$

$\frac{ - 10 \div 2}{30 \div 2} =$

$\frac{ - 5 \div 5}{15 \div 5} =$

$\frac{ - 1}{3} = - 0.33$