9/8 x 4/5
9/8 x 4/5 = 36/40= 9/10
1 2/3 x 1/5
5/3 x 1/5 = 5/15 = 1/3
1/3 + 1/2 + 1/8
8/24 + 12/24 + 3/24 = 23/24
1 2/3 x 2 3/5
5/3 x 13/5 = 65/15 = 13/3 = 4 1/3
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