Question

(1/4+3/8)×4/25×100/7=

Answer 1

(1/4+3/8)*4/25*100/7=(2/8+3/8)*4/25*100/7=5/8*4/25*100/7=1/10*100/7=10/7=1 3/7

Answer 2

$( \frac{1}{4} + \frac{3}{8}) \cdot \frac{4}{25} \cdot \frac{100}{7} = \frac{5}{8} \cdot \frac{4}{25} \cdot \frac{100}{7} = \frac{1}{2} \cdot \frac{20}{7} = 1\frac{6}{14} = 1\frac{3}{7}$