Free Fractions & Ratios Calculators

10 tools

Fraction simplification, common denominator, and ratio calculators. Browse our free fractions & ratios tools below — no sign-up required.

Comparing Fractions Calculator

Compare 2 or 3 fractions using simplification, common denominators, decimals, and cross products. Rank fractions, find the LCD, and visualize which value is largest at a glance.

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Cross Multiplication Calculator

Solve or verify proportions of the form a/b = c/d with cross multiplication. Find a missing term, compare cross products, reduce both fractions, and inspect equivalent ratio tables.

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Divide Fractions Calculator

Divide proper fractions, improper fractions, or mixed numbers. Convert to improper form, flip the divisor, simplify the quotient, and view the result as a decimal and mixed number.

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Egyptian Fraction Calculator

Decompose fractions into sums of distinct unit fractions with greedy-method steps, improper-fraction handling, term visuals, and exact checks.

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Equivalent Fractions Calculator

Generate equivalent fractions, target a new denominator, and verify equivalence with cross multiplication, fraction strips, and step-by-step scaling tables.

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LCD Calculator — Least Common Denominator

Find the Least Common Denominator (LCD) of 2–5 fractions. Shows prime factorization method, equivalent fractions, visual fraction bars, and step-by-step work.

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Simplify Fractions Calculator

Reduce fractions to lowest terms with GCF steps, prime-factor detail, divisor lists, equivalent forms, and decimal or mixed-number checks.

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