Question 1

How do I add and subtract fractions?

Accepted Answer

Find common denominator. 1/4 + 1/3 = 3/12 + 4/12 = 7/12. Subtract similarly. Simplify result if possible.

Question 2

How do I multiply and divide fractions?

Accepted Answer

Multiply: multiply tops and bottoms. 2/3 × 3/4 = 6/12 = 1/2. Divide: flip second fraction and multiply.

Question 3

How accurate are these calculations?

Accepted Answer

Our calculator uses double-precision floating-point arithmetic, accurate to about 15-16 significant digits for most calculations.

Question 4

Can I use the result in further calculations?

Accepted Answer

Yes, results are calculated to full precision. You can copy the exact value or use the rounded display depending on your needs.

Fraction Calculator - Free Online Tool

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