6 * 4 + 80 - 50 = 24
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8*(4-(6-5)) = 24
When working with mixed numbers, it is usually easier to convert them to improper fractions, do the operations, and then to convert any resulting improper fraction back to a mixed number: 5 3/8 + 7 5/6 = (5×8+3)/8 + (7×6+5)/6 = 43/8 + 47/6 = (43×3)/(8×3) + (47×4)/(6×4) = 129/24 + 188/24 = 317/24 = (13×24+5)/24 = 13 5/24
Here is one way: (5 + 1)*(8 - 4) = 6 * 4 = 24
1/2 x 5/6 is 5/12
15 / 24 - 3 / 6 = 5/8 - 1/2 = 5/8 - 4/8 = 1/8