4 + 2/5 + 1/4 + 5 2/3 X 4 X 4/5 X 5/6 4/5 - 2/3 + 1/5 - 1/3

3/4 + 2/5 + 1/4 + 3/5 2/3 x 3/4 x 4/5 x 5/6 4/5 - 2/3 + 1/5 - 1/3