3/8÷9/16
=3/8×16/9
=1/1×2/3
=2/3
3/5÷9/8
=3/5×8/9
=1/5×8/3
=8/15
13/5÷6/5
=13/5×5/6
=13/1×1/6
=13/6
4/5÷1/2
=4/5×2/1
=8/5
2/7÷22/21
=2/7×21/22
=1/1×3/11
=3/11
9/7÷22/21
=9/7×21/22
=9/1×3/22
=27/22
2/3÷1/9
=2/3×9/1
=2/1×3/1
=6
2/3÷9/4
=2/3×4/9
=8/27
4/5÷1/4
=4/5×4/1
=16/5
7/20÷14/15
=7/20×15/14
=1/4×3/2
=3/8
4/7÷1/14
=4/7×14/1
=4/1×2/1
=8
1/2÷1/4
=1/2×4/1
=1/1×2/1
=2
2/3÷5/8
=2/3×8/5
=16/15
4/9÷1/9
=4/9×9/1
=4/1×1/1
=4
2/3÷4/15
=2/3×15/4
=1/1×5/2
=5/2
3/8÷5/8
=3/8×8/5
=3/1×1/5
=3/5
3/4÷6/5
=3/4×5/6
=1/4×5/2
=5/8
