Question

$3 \frac{1}{3} - 2 \frac{1}{4} =$
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Answer 1

Ответ:

$3 \frac{1}{3} - 2 \frac{1}{4 } = \frac{10}{3} - \frac{9}{4} = \frac{40 - 27}{12} = \frac{13}{12} = 1 \frac{1}{12}$

Answer 2

$3\frac{1*4}{3*4} - 2\frac{1*3}{4*3} = 3 - 2 + \frac{4-3}{12} = 1 \frac{1}{12} = \frac{13}{12}$