Question

277.
Чётко и ясно, без скобок.

Answer 1

8 9/14-3 3/7=8 9/14-3 6/14=5 3/14
7 5/12-3 7/24=7 10/24-3 7/24=4 3/24=4 1/8
12 11/12-5 13/18=12 33/36-5 26/36=7 7/36

Answer 2

$8 frac{9}{14} -3 frac{3}{7} =8 frac{9}{14} -3 frac{6}{14} =5 frac{3}{14} \ \ \ 7frac{5}{12} -3 frac{7}{24} =7frac{10}{24} -3 frac{7}{24} =4 frac{3}{24} \ \ \ 12 frac{11}{12} -5 frac{13}{18} =12 frac{33}{36} -5 frac{26}{36} =7 frac{7}{36}$