🔢 Fractions & Decimals
Convert, compare, and calculate with fractions and decimals.
Fractions and decimals are two spellings of the same idea: parts of a whole. This category holds the conversion and arithmetic tools, and every one of them shows its steps so you can repeat the method by hand.
- Fraction CalculatorConvert a fraction to its decimal value
- Fraction SimplifierReduce a fraction to lowest terms
- Mixed Number to Improper FractionConvert a mixed number to an improper fraction
- Decimal to Fraction CalculatorConvert a decimal to its closest simple fraction
Frequently asked questions
How do I add fractions with different denominators?
Find a common denominator first: 1/4 + 1/6 uses 12, so two twelfths plus three twelfths become 5/12. Convert each fraction, add the tops, keep the denominator, then reduce the result by its greatest common factor.
What is the fastest way to simplify a fraction?
Divide the top and bottom by their greatest common factor. For 18/24 the shared factor is 6, leaving 3/4. When the shared factor is hard to spot, try the smallest primes first — two, then three, then five — until nothing divides both parts.
When should I convert between fractions and decimals?
Money, measurements and calculators live in decimals; mental math and exact ratios live in fractions. Change direction when the task changes: 3/4 is faster to picture than 0.75, while 0.75 adds to 1.25 without common-denominator work.