Subtracting improper fractions with the same denominator: step-by-step example
22 October 2026
When children meet improper fractions, subtracting them can seem tricky at first. By focusing on fractions with the same denominator, the process becomes much simpler and easier to follow.
Worked example
Subtract 7/5 - 3/5
Step 1: Check the denominators. Both are 5, so they are the same.
Step 2: Subtract the numerators. 7 - 3 = 4.
Step 3: Keep the denominator the same. It stays as 5.
The answer is 4/5.
| Step | Calculation | Result |
|---|---|---|
| Check denominators | 5 and 5 | Same |
| Subtract numerators | 7 - 3 | 4 |
| Keep denominator | 5 | 5 |
| Final answer | 4/5 | 4/5 |
After working through this example, your child will see that subtracting improper fractions with the same denominator is just about subtracting the top numbers. They will be ready to try similar questions on their own.
