Question

Pedro simplified four over seven divided by five over eight.; his work is shown below. Identify where he made his error.

Answer 1

The error is from Step 1 to Step 2. You don't cross multiply when the two fractions are multiplied.

Answer 2

Solve the problem yourself first, to see if Pedro made any mistakes.

4/7 x 8/5

4x8 = 32

7x5 = 35

32/35 is the answer.

Pedro made his error in step 2, he cross multiplied instead of multiplying the numerators, and then the denominators.