The denominator is the bottom number in a fraction. Fractions like 1/3 and 1/4 have different numbers on the bottom. Those are unlike denominators.
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Like fractions have the same denominators (bottom part of fraction), unlike fractions do not.
Convert unlike fractions to equivalent fractions with common denominators by finding the LCM of the denominators.
Unlike. Unlike. Unlike. Unlike.
If the denominators are not the same, then you have to use equivalent fractions which do have a common denominator . To do this, you need to find the least common multiple (LCM) of the two denominators. To add fractions with unlike denominators, rename the fractions with a common denominator.
unlike denominators: the bottom number of a fraction. to have unlike denominators you must have two fractions with a different number on the bottom of each fraction.