Marcus is trying to find 4 5/6-1 3/6. His work shown. What is Marcus's mistake?

Step 1: Subtract the wholes. 4-1=3

Step 2: Subtract the fractions. 5/6-3/6=2/6

Step 3: Subtract the differences. 3-2/6=2 4/6

Step 3

Step-by-step explanation:

The mistake was made in Step 3.

Step 1: Subtract the wholes. 4 - 1 = 3

Step 2: Subtract the fractions. 5/6 - 3/6 = 2/6

After Step 2, He should have added them instead of subtracting them:

3 + 2/6 = 3 2/6

So, step 3 was his mistake.