Вычислите: 7/30 + 11/36; 8/11 - 5/12; 8/11 - 5/8.

Question

Вычислите: 7/30 + 11/36; 8/11 - 5/12; 8/11 - 5/8.

Answer 1

7/30+11/36=42/180+55/180=97/180
8/11-5/12=96/132-55/132=41/132
8/11-5/8=64/88-55/88=9/88