Question

Calcule o valor de:
-3/5+7/8-1+11/10

Answer 1

Resposta:

3/8

Explicação passo-a-passo:

$- \frac{3}{5} + \frac{7}{8} - 1 + \frac{11}{10} = \\ \\ \frac{ - (8 \times 3) + (5 \times 7) - (40 \times 1) + (4 \times 11)}{40} = \\ \\ \frac{ - 24 + 35 - 40 + 44}{40} = \\ \\ \frac{11 + 4}{40} = \\ \\ \frac{15}{40} = \\ \\ \frac{3}{8}$