Разделите дроби 17 31 и 68 155 3 целых 1 11 и 8 11

Question

Разделите дроби

17 31 и 68 155

3 целых 1 11 и 8 11

Answer 1

17/31:68/155=17/31*155/68=1/31×155/4=155/124=1,25=1 1/4

3 1/11 : 8/11

3 1/11=(1+3×11)/11=34/11
34/11:8/11=34/11×11/8=34/8=4,25=4 1/4