3/4÷2/3÷5/7 berapa hasilnya dgn cara

3/4 : 2/3 : 5/7 = 63/40
                      = 1 23/40

3/4 : 2/3 = 3/4 X 3/2 = 9/8

9/8 : 5/7 = 9/8 X 7/5 = 63/40