Question

Resuelve las siguientes operaciones.

7/8 + 1 ½ =

2 ⅔ + 9/10 =

4 ⅔ + 5/9 =

9/10 - 5/8 =

1 ¾ - 3/5 =

4 5/6 - 2 ⅓ = ​

Answer 1

Explicación paso a paso:

$1) \\ \frac{7}{8} + 1 \frac{1}{2} = \\ \\ \frac{7}{8} + \frac{2 \times 1 + 1}{2} = \\ \\ \frac{7}{8} + \frac{3}{2} = \frac{7 + 12}{8} = \frac{19}{8}$

$2) \\ 2 \frac{2}{3} + \frac{9}{10} = \\ \\ \frac{3 \times 2 + 2}{3} + \frac{9}{10} = \\ \\ \frac{8}{3 } + \frac{9}{10} = \frac{80 + 27}{30} = \frac{107}{30}$

$3) \\ 4 \frac{2}{3} + \frac{5}{9} = \\ \\ \frac{3 \times 4 + 2}{3} + \frac{5}{9} = \\ \\ \frac{14}{3} + \frac{5}{9} = \frac{42 + 5}{9} = \frac{47}{9}$

$4) \\ \frac{9}{10} - \frac{5}{8} = \frac{36 - 25}{40} = \frac{11}{40}$

$5) \\ 1 \frac{3}{4} - \frac{3}{5} = \\ \\ \frac{4 \times 1 + 3}{4} - \frac{3}{5} = \\ \\ \frac{7}{4} - \frac{3}{5} = \frac{35 - 12}{20} = \frac{23}{20}$

$6) \\ 4 \frac{5}{6} - 2 \frac{1}{3} = \\ \\ \frac{6 \times 4 + 5}{6} - \frac{3 \times 2 + 1}{3} = \\ \\ \frac{29}{6} - \frac{7}{3} = \frac{29 - 14}{6} = \frac{15}{6} \\ \\ simplificamos \: y \: queda \: \frac{5}{2}$