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It means find the LCM of the denominators. In order to add and subtract fractions with unlike denominators, it is necessary to convert them to equivalent fractions with a common denominator.

Example: 1/4 + 1/6

The LCM of 4 and 6 is 12.

1/4 = 3/12

1/6 = 2/12

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โˆ™ 2016-10-24 22:04:47
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โˆ™ 2016-09-04 11:55:21

It is the least common multiple of the two fractions' denominators. To add or subtract a pair of fractions it is necessary to rename them using the common denominator.

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Q: What does find the common denominator for the fraction pairs mean?
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Related questions

How can you change disimilar fraction to similar fraction?

Find a common denominator.

How do you compare dissimilar fraction?

Find the least common denominator.

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By finding the lowest common multiple of the denominators

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That's one fraction. You need at least two to find something in common between them.

How would you use the multiplication rule to find common denominators?

multiply the nominator and denominator of each fraction by the denominator of the other fraction

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84/100 is one fraction. To find a common denominator, you need at least one more.

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You find the highest common factor of the numerator and denominator. If that is 1, then the fraction is in its simplest form.

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First, find a common denominator for the two (or more) fractions. Then, for each fraction, multiply numerator and denominator by the same number (different numbers for different fractions, though), to convert to the common denominator.

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Because if you have the same denominator then you don't have to find the common denominator.

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just find what all numbers have in commin

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A fraction is in simplest form when the numerator and denominator have no common factor except ' 1 '.

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