Everyday & student math

Work through fractions, ratios and arithmetic one clear step at a time.

Keep arithmetic simple with a clear expression and standard operation order.

Add, subtract, multiply or divide two fractions and simplify the result.

Cancel common factors to express a fraction in its simplest form.

See different-looking fractions that represent the same amount.

Turn a finite decimal into an exact fraction, then reduce it.

Compare two positive quantities with a smaller equivalent pair.

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A result is only the beginning.

Every calculator includes its formula, assumptions and worked steps. Start with the example, then try your own numbers.