8 7 ∗ 5 4 40 28 10 7 10 7 / 20 7 10 7 ∗ 7 20 1 1 ∗ 1 2 = 2
Convert 7/8 and 4/5 into common denominators using 40; 28/40 and 32/40, multiply those to get 22.4. Divide 7 by 20 to get 0.35. Divide 22.4 by 0.35 for an end quotient of 64.
To solve 8 7 × 5 4 ÷ 20 7 , first multiply the first two fractions to get 10 7 . Then, divide by the third fraction by multiplying with its reciprocal, simplifying, and you arrive at the final answer of 2 .
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