Question

Calculati :
a) 5$\frac{1}{3}$ : 6$\frac{2}{5}$+ ( 12 : 3$\frac{3}{5}$ + 2$\frac{2}{3}$ ) x $\frac{2}{3}$
b) [ $\frac{16}{5}$ - ( 1+$\frac{1}{2}$ )] : $\frac{7}{20}$

Answer 1

16/3x5/32+(12x5/18+8/3)x2/3=5/6+(10/3+8/3)x2/3=5/6+18/3x2/3=5/6+4=29/6 b) (16/5-3/2)x20/7=(32-15)/10x20/7=17/10x20/7=34/7=4intregi 6/7