Question

answer the following questions​

Answer 1

1.7/4×2/3×4/28=1/6

2).4/15×(3+10/12)=4/15×12/13=13/45

3).(13/4×7/3)-(5/4×1/5)=91/12-1/4=91-3/12=88/12=22/3

4).5/8×4/3÷15/16=5/6×16/15=16/9