What is the reciprocal of 4/10
10/4
3/8 x 7/9
21/72 = 7/24
9.6 ÷ 1.6
6
9/8 ÷ 4/5
9/8 x 5/4 = 45/32 = 1 13/32
3.6 ÷ 0.4
9
2 1/3 x 1 1/5
9 4/5
6 - 0.43
5.57
7 x 21.6
151.2
1 2/3 ÷ 2 3/5
5/3 x 5/13= 25/39