Question

(3/8 + 2 1/7 * 1 1/20) * 1 1/3.

Answer 1

(3/8 + 2 1/7 * 1 1/20) * 1 1/3 = (3/8 + 15/7 * 21/20) * 4/3 = (3/8 + 9/4) * 4/3 = (3/8 + 18/8) * 4/3 = 21/8 * 4/3 = 7/2 = 3 1/2