Fraction Examples
Worked examples for adding, subtracting, multiplying, dividing, and reducing fractions.
How to use the fraction examples calculator
These examples support the fraction calculator by showing the written work students are often asked to provide.
- Identify the operation.
- Find a common denominator when needed.
- Combine numerators or multiply/divide as appropriate.
- Reduce the result.
Formula or method
For unlike denominators, use a common denominator before adding or subtracting.
Worked examples
Add unlike denominators
Problem: 1/4 + 1/6
Solution: LCM is 12, so 3/12 + 2/12 = 5/12.
Multiply fractions
Problem: 2/3 * 3/5
Solution: Multiply straight across: 6/15 = 2/5.