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Earn +20 ptsQ: Why do the denominators stay the same when adding?
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When adding fractions do denominators change?
you must make the denominators the same first in order to add them once they are added, the denominators stay the same and the top combines
Fractions Have The Same Denominators?
Not always but they need to have the same denominators when adding or subtracting them.
Can you multiply fractions that have a different demonminator?
Yes. When multiplying and dividing fractions your denominators do not have to be the same. The denominators only haveto be the same if you are subtracting or adding them.
When adding or subtracting fractions do you have to have the numerator the same or denominator?
The denominators must be the same, the numerators can be different.
What way is subracting fractions with unlike denominators like adding fractions with unlike denominators?
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.
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