Question

10分之3×6分之5-16分之9除4分之九

4分之1一10分之3在乘以3分之2、6分之7除以9分之5在乘以14分之5、15乘以16分之5一3乘以6分之5

Answer 1

1/4-3/10×2/3
=1/4-1/5
=1/20
7/6÷5/9×5/14
=7/6×(9/5×5/14)
=7/6×9/14
=3/4
15×5/16-3×5/6
=75/16-5/2
=4.6875-2.5
=2.1875