**In this module, you can ****study how to add and subtract fractions with like denominators and also with unlike denominators.**

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When you change a denominator (the bottom part) of a fraction, you must also change the numerator (the top part) to keep the fraction worth the same amount.

**Practice and study**

- Study fraction subtractionRead about fraction subtraction at mathsisfun.com. This site also has a video demonstration of subtraction steps and a quiz at the end.
- Download a more complicated fraction subtraction worksheetCreate and download a set of subtraction problems using fractions with unlike denominators at math-aids.com.

0.00 min addition (+), subtraction (-), multiply (x), divide (÷)

1.19 min decimal point

2.43 min C, CE and backspace

4.19 min square, square root & fractions

6.17 min percentage (%)