(2/3+4/7)*42 = 26/21*42 = 52
(2 1/4 - 1 1/2)*8 = (9/4-3/2)*8 = 3/4*8 = 6
4 1/6 * 3 2/7 + 2 5/7 * 4 1/6 = 4 1/6*(3 2/7 + 2 5/7) = 4 1/6*6=25/6*6 = 25
(2/3+4/7)*42 = 26/21*42 = 52
(2 1/4 - 1 1/2)*8 = (9/4-3/2)*8 = 3/4*8 = 6
4 1/6 * 3 2/7 + 2 5/7 * 4 1/6 = 4 1/6*(3 2/7 + 2 5/7) = 4 1/6*6=25/6*6 = 25