A plain-language explanation of fractions, with a worked example — plus a link straight into the generator to create a fresh, printable practice sheet.
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A fraction represents a part of a whole. The bottom number (denominator) shows how many equal parts the whole is divided into; the top number (numerator) shows how many of those parts you have.
Divide the numerator and denominator by their greatest common factor until no common factor remains other than 1.
You can only add fractions once they share a common denominator. Multiply each fraction so both denominators match, add the numerators, then simplify.
The most common error is adding numerators and denominators straight across (1/4 + 1/6 ≠ 2/10) instead of finding a common denominator first.
Fraction fluency directly supports ratios, percentages, and later algebra, where fractional coefficients appear constantly.