8 целых 3/7- 4 целых 2/5 =; 6 целых 11/15 - 2 целых 7/10 = ; 16 целых 17/18 - 2 целых...

1) 8 $\frac{3}{7}$ - 4 $\frac{2}{5}$ = $\frac{24}{7} - \frac{8}{5}$ = $\frac{120}{35} - \frac{56}{35}$ = $\frac{120-56}{35}$ = $\frac{64}{35}$ = 1 $\frac{29}{35}$

2) $6\frac{11}{15} - 2 \frac{7}{10}$ = 2 $\frac{11}{5} - 2\frac{7}{10} = 2\frac{11}{5} - \frac{7}{5}$ = $\frac{22}{5} - \frac{7}{5}$ = $\frac{22-7}{5}$ =

3) 16 [tex]\frac{17}{18} - 2 \frac{11}{12} = 8 \frac{17}{9} - 2 \frac{11}{12} = 8 \frac{17}{9} - \frac{11}{6}" alt="\frac{15}{5} = 3

3) 16 [tex]\frac{17}{18} - 2 \frac{11}{12} = 8 \frac{17}{9} - 2 \frac{11}{12} = 8 \frac{17}{9} - \frac{11}{6}" align="absmiddle" class="latex-formula"> = $\frac{136}{9} - \frac{11}{6} = \frac{272}{18} - \frac{33}{18} = \frac{272-33}{18} = \frac{239}{18} = 13 \frac{5}{18}$

4) $18 \frac{13}{48} - 5 \frac{3}{64} = [tex]3 \frac{13}{8} - 5 \frac{3}{64} =3\frac{13}{8} - \frac{15}{64}$ = $\frac{39}{8} - \frac{15}{64} = \frac{312}{64} - \frac{15}{64} = \frac{312-15}{64} = \frac{297}{64}$ = $4 \frac{41}{64}$

8 целых 3/7- 4 целых 2/5 =; 6 целых 11/15 - 2 целых 7/10 = ; 16 целых 17/18 - 2 целых...

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