Fraction
Fraction Calculator
Add, subtract, multiply and divide fractions and mixed numbers. Get the simplified answer, mixed number and exact decimal.
a/b + c/d = (ad + bc)/bd
Also called fractions calculator · mixed fraction calculator
Math · 11 calculators
Fraction Calculators
Add, subtract, multiply, divide and simplify fractions; convert between mixed numbers, decimals and percentages.
Fraction
Add Fractions Calculator
Add two fractions or mixed numbers and get the answer in simplest form, as a mixed number and as a decimal, with every step shown.
a/b + c/d = (ad + bc) / bd
Also called add fractions · adding fractions
Fraction
Subtract Fractions Calculator
Subtract two fractions or mixed numbers and get the answer in simplest form, as a mixed number and as a decimal, with every step shown.
a/b − c/d = (ad − bc) / bd
Also called subtract fractions · subtracting fractions
Fraction
Multiply Fractions Calculator
Multiply two fractions or mixed numbers and get the answer in simplest form, as a mixed number and as a decimal, with every step shown.
a/b × c/d = ac / bd
Also called multiply fractions · multiplying fractions
Fraction
Divide Fractions Calculator
Divide two fractions or mixed numbers and get the answer in simplest form, as a mixed number and as a decimal, with every step shown.
a/b ÷ c/d = a/b × d/c = ad / bc
Also called divide fractions · divideing fractions
Fraction
Fraction Simplifier
Reduce any fraction to lowest terms by dividing by the greatest common divisor, with the GCD and steps shown.
a/b = (a ÷ GCD) / (b ÷ GCD)
Also called simplify fractions · reduce fraction
Fraction
Mixed Number Calculator
Add, subtract, multiply or divide mixed numbers like 2 1/3 and 1 3/4, with the answer as a mixed number and improper fraction.
w a/b = (w·b + a)/b
Also called mixed fractions calculator · mixed numbers
Fraction
Improper Fraction to Mixed Number Calculator
Convert improper fractions to mixed numbers and mixed numbers back to improper fractions in one step.
a/b = ⌊a/b⌋ and (a mod b)/b
Also called improper fraction calculator · improper to mixed
Fraction
Fraction to Decimal Calculator
Convert any fraction or mixed number to an exact decimal, marking repeating digits (e.g. 1/7 = 0.(142857)).
a/b = a ÷ b
Also called fraction to decimal converter · convert fraction to decimal
Fraction
Decimal to Fraction Calculator
Convert a decimal (including repeating decimals like 0.333…) to a fraction in lowest terms and as a mixed number.
0.375 = 375/1000 = 3/8
Also called decimal to fraction converter · convert decimal to fraction
Fraction
Fraction to Percentage Calculator
Convert fractions and mixed numbers into percentages, e.g. 3/8 = 37.5%, with the working shown.
Percent = (a ÷ b) × 100
Also called fraction to percent · convert fraction to percentage
Key fraction formulas
| Fraction | a/b + c/d = (ad + bc)/bd · a/b × c/d = ac/bd · a/b ÷ c/d = ad/bc |
|---|---|
| Add Fractions | a/b + c/d = (ad + bc) / bd |
| Subtract Fractions | a/b − c/d = (ad − bc) / bd |
| Multiply Fractions | a/b × c/d = ac / bd |
| Divide Fractions | a/b ÷ c/d = a/b × d/c = ad / bc |
| Fraction Simplifier | a/b = (a ÷ GCD) / (b ÷ GCD) |
| Mixed Number | w a/b = (w·b + a)/b |
| Improper Fraction to Mixed Number | a/b = ⌊a/b⌋ and (a mod b)/b |
| Fraction to Decimal | a/b = a ÷ b |
| Decimal to Fraction | 0.375 = 375/1000 = 3/8 |
Fraction questions
How do you add fractions with different denominators?
Rewrite both fractions over a common denominator, add the numerators and simplify. 3/4 + 2/3 = 9/12 + 8/12 = 17/12 = 1 5/12.