Question

сократите дробь: 14b в кубе / 21b

Answer 1

$frac{14b^{3}}{21b} =frac{7*2b^{2}*b}{7*3b} =frac{2b^{2}}{3}$

Answer 2

$frac{14b^{3}}{21b}=frac{7cdot2b^{2}cdot b}{7cdot3cdot b}=frac{2b^{2}}{3}$