Fraction Calculator
Perform arithmetic operations with fractions and convert between fractions and decimals
Fraction Operations
/
1/2 = 0.5000
/
1/3 = 0.3333
Decimal to Fraction Converter
Common Fractions
1/2
0.5
1/3
0.333...
1/4
0.25
1/5
0.2
2/3
0.666...
3/4
0.75
1/8
0.125
3/8
0.375
5/8
0.625
7/8
0.875
Fraction Rules
Addition & Subtraction
Find a common denominator, then add or subtract the numerators.
Multiplication
Multiply numerators together and denominators together.
Division
Multiply by the reciprocal (flip the second fraction).
Simplification
Divide both numerator and denominator by their greatest common divisor.
Step-by-Step Examples
Adding Fractions
1/4 + 1/6
1. Find LCD: LCM(4,6) = 12
2. Convert: 3/12 + 2/12
3. Add: 5/12
Multiplying Fractions
2/3 × 3/4
1. Multiply numerators: 2 × 3 = 6
2. Multiply denominators: 3 × 4 = 12
3. Simplify: 6/12 = 1/2