5/8 x 4/5
5/8 x 4/5 = 1/2
1 2/3 x 1/5
5/3 x 1/5 = 5/15 = 1/3
1 2/3 x 2 3/5
5/3 x 13/5 = 65/15 = 13/3 = 4 1/3