Question

ркшите
1 4/9-8/9
5 1/12-3/12
10 1/8-4 3/8
1 1/7-3/7
3 4/9-7/9
7 2/19-7/19
1 3/5-4/5
6 1/5-2 3/5
14 7/21-3 8/21

Answer 1

$1 frac{4}{9}- frac{8}{9}= frac{13-8}{9}= frac{5}{9} \ \ 5 frac{1}{12}- frac{3}{12}= 4 frac{13}{12}- frac{3}{12}=4 frac{10}{12}=4 frac{5}{6} \ \ 10 frac{1}{8}- 4frac{3}{8}= 5frac{9}{8}- frac{3}{8} = 5frac{6}{8}=5 frac{3}{4} \ \ 1 frac{1}{7}- frac{3}{7}= frac{8-3}{7}= frac{5}{7} \ \ 3 frac{4}{9}- frac{7}{9}= 2frac{13}{9}- frac{7}{9} = 2frac{6}{9}=2 frac{2}{3} \ \ 7 frac{2}{19}- frac{7}{19}=6 frac{21}{19}- frac{7}{19} =6 frac{14}{19}$

$1 frac{3}{5}- frac{4}{5}= frac{8-4}{5}= frac{4}{5} \ \ 6 frac{1}{5}-2 frac{3}{5}=3 frac{6}{5}- frac{3}{5}=3 frac{3}{5} \ \ 14 frac{7}{21}-3 frac{8}{21}=10 frac{28}{21}- frac{8}{21}=10 frac{20}{21}$

Answer 2

1 4/9-8/9=13/9-8/9=5/9
5 1/12-3/12=4 13/12-3/12=4 10/12=4 5/6
10 1/8-4 3/8=9 9/8- 4 3/8=5 6/8=5 3/4
1 1/7-3/7=8/7-3/7=5/7
3 4/9-7/9=2 13/9-7/9=2 6/9=2 2/3
7 2/19-7/19=6 21/19-7/19=6 14/19
1 3/5-4/5=8/5-4/5=4/5
6 1/5-2 3/5=5 6/5-2 3/5=3 3/5
14 7/21-3 8/21 =13 28/21-3 8/21=10 20/21