a) 2/3 * 1/4 = 2/12 = 1/6
5/8 * 2/5 = 10/40 = 1/4
b) 1/2 * 5/6 = 5/12
5/6 * 9/10 = 45/60 = 15/20 = 3/4
c) 3/4 * 2 1/3 = 3/4 * 7/3 = 21/12 = 7/4 = 1 3/4
3 1/3 * 2/10 = 10/3 * 1/5 = 10/15 = 2/3
d) 1 2/3 * 1 4/5 = 5/3 * 9/5 = 45/15 = 15/5 = 3
2 1/4 * 1 3/5 = 9/4 * 8/5 = 72/20 = 36/10 = 3 6/10 = 3 3/5
:)
