Question

1 2/3-5/6=???
2 3/10-4/15=???
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Answer 1

$\Оtvet : \: \frac{5}{6} \: \: \: \frac{61}{30} = 2 \frac{1}{30}$

Пошаговое объяснение:

$1 \frac{2}{3} - \frac{5}{6} = \frac{5}{3} - \frac{5}{6} = \frac{10}{6} - \frac{5}{6} = \frac{5}{6}$

$2 \frac{3}{10} - \frac{4}{15} = \frac{23}{10} - \frac{4}{15} = \frac{69}{30} - \frac{8}{30} = \frac{61}{30}$