6 целых : 1/10 4/9: 5 1/8:5/8 2 целых : 6/7 : 14/15

Question

6 целых : 1/10 4/9: 5 1/8:5/8 2 целых : 6/7 : 14/15

Answer 1

1. 6:1/10=6×10/1=60
2. 4/9 :5 1/8:5/8=(4/9:41/8):5/8=(4×8/9×41):5/8=
=32/369 : 5/8=32×8/369×5=256/1845
3. 2 :6/7:14/15=(2×7/6):14/15=14/6:14/15=
=14×15/6×14=15/6=2 3/6=2 1/2