Выполните вычитание. Вариант 1: 1) 1/2 − 3/8; 2) 3/7 − 5/14; 3) 3/5 − 4/15; 4) 5/8 − 3/16; 5) 2/9 − 1/18; 6) 8/13 − 1/26; 7) 7/15 − 7/30; 8) 2/19 − 1/38; 9) 5/7 − 3/14; 10) 4/21 − 1/7.

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Accepted Answer

\(\frac{1}{2}-\frac{3}{8}=\frac{4}{8}-\frac{3}{8}=\frac{1}{8}\).
\(\frac{3}{7}-\frac{5}{14}=\frac{6}{14}-\frac{5}{14}=\frac{1}{14}\).
\(\frac{3}{5}-\frac{4}{15}=\frac{9}{15}-\frac{4}{15}=\frac{5}{15}=\frac{1}{3}\).
\(\frac{5}{8}-\frac{3}{16}=\frac{10}{16}-\frac{3}{16}=\frac{7}{16}\).
\(\frac{2}{9}-\frac{1}{18}=\frac{4}{18}-\frac{1}{18}=\frac{3}{18}=\frac{1}{6}\).
\(\frac{8}{13}-\frac{1}{26}=\frac{16}{26}-\frac{1}{26}=\frac{15}{26}\).
\(\frac{7}{15}-\frac{7}{30}=\frac{14}{30}-\frac{7}{30}=\frac{7}{30}\).
\(\frac{2}{19}-\frac{1}{38}=\frac{4}{38}-\frac{1}{38}=\frac{3}{38}\).
\(\frac{5}{7}-\frac{3}{14}=\frac{10}{14}-\frac{3}{14}=\frac{7}{14}=\frac{1}{2}\).
\(\frac{4}{21}-\frac{1}{7}=\frac{4}{21}-\frac{3}{21}=\frac{1}{21}\).

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