Question

Calculati: 
a)$\frac{2}{3} * \frac{1}{7} + \frac{2}{3} * \frac{5}{14}$
b) $3* \frac{2}{7} +4* \frac{2}{7}$

Answer 1

a) 2/3 × 1/7 + 2/3 × 5/14= 2)2/21 + 10/42 = 4/42 + 10/42 = 14/42 b) 3 × 2/7 + 4 × 2/7 = 6/7 + 8/7 = 14/7