1 1/2 x 1 1/3 x 1 1/5 =
1 1/2 x 1 2/3 =
9 2/9 x 1 1/83 x 2 3/21 =
5 1/4 x 2 2/9 =
11 2/3
20
2 1/2
2 2/5
