Fraction Calculator

How do you add fractions with different denominators?

To add fractions with different denominators, first find the least common denominator (LCD). For example, to add 3/4 + 2/5, the LCD is 20. Convert: 3/4 = 15/20 and 2/5 = 8/20. Then add numerators: 15/20 + 8/20 = 23/20 = 1 3/20. This calculator does all these steps automatically.

How do you multiply fractions?

Multiplying fractions is simpler than adding — just multiply the numerators together and multiply the denominators together. For example, 3/4 × 2/5 = 6/20 = 3/10. Then simplify by dividing both by their greatest common divisor.

How do you simplify a fraction?

To simplify a fraction, divide both the numerator and denominator by their greatest common divisor (GCD). For example, 12/18: the GCD of 12 and 18 is 6, so 12/18 = 2/3. This calculator simplifies all results automatically.

How do you divide fractions?

To divide fractions, flip the second fraction (find its reciprocal) and multiply. For example, 3/4 ÷ 2/5 = 3/4 × 5/2 = 15/8 = 1 7/8. This is sometimes called "keep, change, flip."

How do you convert a fraction to a decimal?

Divide the numerator by the denominator. For example, 3/4 = 3 ÷ 4 = 0.75. This calculator shows decimal and percentage equivalents for every result automatically.

What is a mixed number?

A mixed number combines a whole number with a fraction, like 2 3/4. It means 2 + 3/4 = 11/4 as an improper fraction. This calculator converts improper fractions to mixed numbers automatically in the result.