Question

запишите в виде не сократимой дроби a) 144/146 b) 12/60
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Answer 1

$\frac{144}{146} = \frac{2 \times 72}{2 \times 73} = \frac{72}{73} \\ \frac{12}{60} = \frac{12 \times 1}{12 \times 5} = \frac{1}{5}$