Найдите значение выражений:
1) -5/8 + 1/4 + 7/12 =
2) 1/5 + (-1/7) + 2/9 =
3) -1/8 + 3/9 + (-5/36) =
4) 7/8 + (-4/5) + (-1 1/20) =
5) -11/18 + 5/12 + 7 1/9 =
6) 2 4/15 + 2/5 + (-5 1/6) =

1) \[ -\frac{5}{8}+\frac{1}{4}+\frac{7}{12}=\frac{5}{24} \]

2) \[ \frac{1}{5}-\frac{1}{7}+\frac{2}{9}=\frac{88}{315} \]

3) \[ -\frac{1}{8}+\frac{3}{9}-\frac{5}{36}=\frac{5}{72} \]

4) \[ \frac{7}{8}-\frac{4}{5}-1\frac{1}{20}=-\frac{39}{40} \]

5) \[ -\frac{11}{18}+\frac{5}{12}+7\frac{1}{9}=6\frac{11}{12} \]

6) \[ 2\frac{4}{15}+\frac{2}{5}-5\frac{1}{6}=-2\frac{1}{2} \]

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