1) a^2 + b^3 = (3/4)^2 + (1/2)^3 = 9/16 + 1/8 = 9/16 + 2/16 = 11/16
2) (x - 2y)^2 = (4⅓ - 2*(1¾))^2 = (13/3 - 7/4)^2 = (52/12 - 21/4)^2 = (52/12 - 63/12)^2 = (-11/12)^2 = 121/144
3) (m + n) / (m - n) = (1 + 1/6 + 1/3) / (1 + 1/6 - 1/3) = (6/6 + 1/6 + 2/6) / (6/6 + 1/6 - 2/6) = 9/6 / 5/6 = 9/6 * 6/5 = 54/30 = 9/5
1) a^2 + b^3 = (3/4)^2 + (1/2)^3 = 9/16 + 1/8 = 9/16 + 2/16 = 11/16
2) (x - 2y)^2 = (4⅓ - 2*(1¾))^2 = (13/3 - 7/4)^2 = (52/12 - 21/4)^2 = (52/12 - 63/12)^2 = (-11/12)^2 = 121/144
3) (m + n) / (m - n) = (1 + 1/6 + 1/3) / (1 + 1/6 - 1/3) = (6/6 + 1/6 + 2/6) / (6/6 + 1/6 - 2/6) = 9/6 / 5/6 = 9/6 * 6/5 = 54/30 = 9/5