Fraction Calculator
Last updated: July 2026
Add and multiply two fractions, simplify the results and review their decimal values.
Simplified sum
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- Sum as a decimal: —
- Simplified product: —
- Product as a decimal: —
On this page
Quick summary: Add and multiply two fractions, simplify the results and review their decimal values. Enter the requested values, calculate, review the result, and compare more than one realistic scenario before making a decision.
Read the complete guide
What this calculator estimates
Add and multiply two fractions, simplify the results and review their decimal values. It is designed for fast planning and comparison in the United States. The output is an estimate, not a binding quote, approval, tax determination, insurance offer, legal conclusion, medical recommendation or professional advice.
How to use it
Enter the requested values using a single consistent time period and currency. Select Calculate, review the headline result and supporting figures, then change one assumption at a time to compare another scenario.
How the calculation works
The sum uses a common denominator and the product multiplies numerators and denominators. Each result is reduced by the greatest common divisor.
Important limitations
Inputs must be integers and denominators cannot be zero.
Frequently asked questions
Is the result exact?
No. It is a planning estimate based on the assumptions entered.
Can I compare different scenarios?
Yes. Change one input at a time so you can see which assumption changes the result.
Does the calculator store my inputs?
The calculation runs in the browser and does not require an account. Avoid entering unnecessary confidential information.