Question

дроби 7 целых 6/7 + 3 целых 1/3 =
12 целых 1/8 - 1/7=
3 целых 7/9 * 2 целых 1/4 =
11 целых 1/2 : 7 целых 1/3 =
помагите плиз!!!

Answer 1

$7 \frac{6}{7} + 3 \frac{1}{3} = 7 \frac{18}{21} + 3 \frac{7}{21} = 10 \frac{25}{21} = 11 \frac{4}{21}$

$12 \frac{1}{8} - \frac{1}{7} = 12 \frac{7}{56} - \frac{8}{56} = 11 \frac{63}{56} - \frac{8}{56} = 11 \frac{55}{56}$