Free Maths Calculator

Equivalent Fractions Calculator

Two fractions are equivalent when they describe the same amount written with different numbers. This tool lists equivalents for any fraction, or fills in the missing number when one is given, always by showing the scale factor that multiplies or divides both parts at once.

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Method, Step by Step

    Worked Example

    Fill in the missing number: 23 = ?/12.

    1. Compare the bottoms to find the scale factor:12 ÷ 3 = 4
    2. Multiply the top by the same scale factor:2 × 4 = 8
    3. So 23 = 812

    Answer: 812

    Try These Yourself

    Fill in the gap: 35 = ?/20.Show answerHide answer

    Answer: 1220

    The bottom is 4 times bigger, so the top is too.

    Write two fractions equal to 14.Show answerHide answer

    Answer: 28 and 312

    Multiply both parts by 2, then by 3.

    Is 46 the same as 23?Show answerHide answer

    Answer: Yes

    Divide both parts of 46 by 2.