Question

Помогите пожалуйста



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Answer 1

3) 1 -18/27= 27/27-18/27=9/27= 1/3
4) 56/9-41/9=15/9=5/3= 1 2/3

Answer 2

1 - $\frac{18}{27}$ = $\frac{27}{27}$ - $\frac{18}{27}$ = $\frac{9}{27}$ = $\frac{1}{3}$
6$\frac{2}{9}$ - 4$\frac{5}{9}$ = 5$\frac{11}{9}$ -4$\frac{5}{9}$ = 1$\frac{6}{9}$ = 1$\frac{2}{3}$