Subtracting fractions

With this fraction calculator you can simply subtract a fraction from another one. Fill in two fractions below (the numerator above the scoreline and the denominator below the scoreline) and click "Calculate" to subtract the fractions.

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Subtracting fractions from each other can be difficult. Therefore you can use the fraction calculator to make subtracting fractions easy. A fraction is a division of two numbers. The number above the scoreline is called the numerator and the number below the scoreline is the denominator. To subtract a fraction from another one, you must first ensure that the denominators of the two fractions are equal. By multiplying the numerator and denominator in one or both fractions with the same number (and the number does not change when you multiply it by one), you can ensure that the denominators of the fractions are equal.

For example: 34 - 16

We can not subtract the two fractions from each other, since the denominators are not equal.

34  can be written as:  34 × 66 = 1824
16  can be written as:   16 × 44 = 424

The denominators are now equal, so we can now subtract the fractions:

1824 - 424 = 1424  or  712

The fraction calculator automatically simplifies the result of the calculation into the simplest form in which the numerator and denominator are as small as possible. Use the fraction calculator to practice subtracting fractions or check your answers.