Question

2/3+1/5-1/21-1/56
porfa ayuden​

Answer 1

$\frac{2}{3} + \frac{1}{5} - \frac{1}{21} - \frac{1}{56}$

$\frac{280 \times 2 + 168 \times 1-40 \times 1 - 15 \times 1 }{840}$

$\frac{560 + 168 - 40 - 15}{840}$

$\frac{673}{840}$

resultado aproximado en decimales:

≈ 0,8011904762

Answer 2

Explicación paso a paso:

[tex] \frac{2}{3} + \frac{1}{5} - \frac{1}{21} - \frac{1}{56} \\ \frac{560 + 168 -40 - 15}{840} \\ \\ \frac{728 - 55}{840 } \\ \\ \frac{673}{840}