Question

Дроби знаменателю 54: а) 7/9; б) 11/18; в) 17/27. 10

Answer 1

$a) \quad \displaystyle \frac 7 9 = \frac{7\cdot 6}{9 \cdot 6} = \frac{42}{54}$

$b) \quad \displaystyle \frac{11}{18} = \frac{11\cdot 3}{18\cdot 3} = \frac{33}{54}$

$c) \quad \displaystyle \frac{17}{27} = \frac{17 \cdot 2}{27 \cdot 2} = \frac{34}{54}$