Initial question: 8 4/5 + 1 2/5 = 10 1/5
To add mixed numbers:
If the denominators are the same for both numbers, add the numerators.
Example: 1/5 + 2/5 = 3/5
To subtract mixed numbers:
Do the same for adding but subtract.
Example: 2/5 - 1/5 = 1/5
To multiply mixed numbers:
Multiply the numerators with each other and the denominators with each other.
Example: 2/5 * 1/5 = 2/25
To divide mixed numbers:
Do the same as multiplying but divide.
Example: 2/25 ÷ 2/5 = 1/5
