Fraction simplification, common denominator, and ratio calculators. Browse our free fractions & ratios tools below — all calculators are instant, accurate, and require no sign-up.
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.
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.
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.
Egyptian Fraction Calculator — Decompose fractions into sums of distinct unit fractions with greedy-method steps, improper-fraction handling, term visuals, and exact checks.
Equivalent Fractions Calculator — Generate equivalent fractions, target a new denominator, and verify equivalence with cross multiplication, fraction strips, and step-by-step scaling tables.
Improper Fraction to Mixed Number Calculator — Convert improper fractions to mixed numbers with simplification, decimal checks, nearby-whole comparisons, and whole-plus-remainder visuals.
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.
Mixed Number to Improper Fraction Calculator — Convert mixed numbers to improper fractions with sign handling, simplification, decimal checks, equivalent forms, and step-by-step breakdowns.
Simplify Fractions to Lowest Terms Calculator — Reduce any fraction to its lowest terms. Shows GCD calculation via Euclidean algorithm, step-by-step reduction, cross-multiplication verification, and batch mode.
Simplify Fractions Calculator — Reduce fractions to lowest terms with GCF steps, prime-factor detail, divisor lists, equivalent forms, and decimal or mixed-number checks.