Question

дроби 1)3/4-2/9+5/36 2)2/5+1/3-6/30

Answer 1

1) $\frac{3*9-2*4+5}{36}= \frac{27-8+5}{36}= \frac{24}{36}= \frac{2}{3}$
2) $\frac{2*6+1*10-6}{30}= \frac{16}{30}= \frac{8}{15}$