Question

Выполните вычитание 11/12 - 11/18

Answer 1

$frac{11}{12} - frac{11}{18} = frac{11*9}{12*9} - frac{11*6}{18*6} = frac{99}{108} - frac{66}{108} = \ \ \ = frac{99-66}{108} = frac{33}{108}$