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I do it by finding a common denominator.
For example, 2/3 - 1/5.
The least common denominator is 15. 2/3 = 10/15, and 1/5 = 3/15, the difference of which is 7/15.
Here is another example:
5/6 - 2/3. In this case, the least common denominator is 6.
2/3 = 4/6, and 5/6 - 4/6 = 1/6.
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Earn +20 ptsQ: How do you add or subtract fractions in real life?
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How do you add and subtract fractions with the same denominator?
it stay the same when you subtract fractions and when you add fractions.
Is it important to know how to add and subtract fractions why?
it is important to learn how to add and subtract fractions because we can use it when a time comes , when we have our own business and others .
When you add or subtract fractions with unlike denominators why do you have to find LCM?
Because to add fractions, the denominators must be equal.
How do you subtract mixed numbers with regrouping?
you take away one of the whole number=then you add or subtract your fractions=
How would you add or subtract fractions with like denominators?
The same way you would add or subtract whole numbers, leaving the denominators alone.
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