Subtract the integers and subtract the fractions. When the fraction to be subtracted is bigger than the first fraction, change the mixed numbers to improper fractions first then do the subtraction.

This lesson uses models to convert mixed numbers to improper fractions. This lesson uses models to convert mixed numbers to improper fractions.

Subtracting fractions is simple — almost as simple as multiplying fractions — but the process of subtraction is different depending on whether the denominators, or bottom numbers, of the two fractions ...