In this module, you can study how to add and subtract fractions with like denominators, such as 3/4 - 1/4, and also with unlike denominators, such as 1/2 - 1/3.
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
Use these search terms to find your own resources:
adding fractions unlike denominators
subtracting fractions unlike denominators
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