Question

Выполните сложение или вычитание. -1/3+1/2
-4/7-3/14
-2 5/6+(-3 1/3)
7 1/5+(-4 4/15)
2 1/6+(-3/8)

-1/12+7/60
-10/9+1 8/9
-3 1/2+7 1/3
-2/3+2 1/3
3,2-2 4/15
1 1/3+(-1/2)
3 1/3+(-1 2/3)
-5/11+8/33
3 2/5-(-3 3/5)
9/11-3/44
45 2/7-(-5/7)
4 3/10-2 1/30
1 5/8-(-5/16)
0,125+(-2 3/8)

Answer 1

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$- frac{1}{3} + frac{1}{2} = - frac{2}{6} + frac{3}{6} = frac{1}{6}$
$- frac{4}{7} - frac{3}{14} = - frac{8}{14} - frac{3}{14} = - frac{11}{14}$
$- 2 frac{5}{6} - 3 frac{1}{3} = - 2 frac{5}{6} - 3 frac{2}{6} = - 5 frac{7}{6} = \ = - 6 frac{1}{6}$
$7 frac{1}{5} - 4 frac{4}{15} = 7 frac{3}{15} - 4 frac{4}{15 } = \ = 6 frac{18}{15} - 4 frac{4}{15} = 2 frac{14}{15}$
$2 frac{1}{6} - frac{3}{8} = 2 frac{4}{24} - frac{9}{24} = 1 frac{28}{24} - frac{9}{24} = \ = 1 frac{19}{24}$
$- frac{1}{12} + frac{7}{60} = - frac{5}{60} + frac{7}{60} = frac{2}{60} = frac{1}{30}$
$- frac{10}{9} + 1 frac{8}{9} = - 1 frac{1}{9} + 1 frac{8}{9} = frac{7}{9}$
$- 3 frac{1}{2} + 7 frac{1}{3} = - 3 frac{3}{6} + 7 frac{2}{6} = \ = - 3 frac{3}{6} + 6 frac{8}{6} = 3 frac{5}{6}$
Остальное сам решай