Explicație pas cu pas:
5÷5/4=5*4/5=5
8/3÷7/3=8/3*3/7=8/7
9/2÷3/7=9/2*3/7=21/14=3/7
31/6÷62/9=31/6*9/62=3/62
16÷48/5=16*5/48=5/3
15/4÷5/4=15/4*4/5=3