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Finding common denominators

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Common Denominator

The easiest way to find a common denominator for a pair of fractions is to multiply the numerator and denominator of each fraction by the denominator of the other. So, if you’re

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To determine what the math problem is, you will need to take a close look at the information given and use your problem-solving skills. Once you have determined what the problem is, you can begin to work on finding the solution.

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How To Find a Common Denominator? Definition, Examples

Step 1: Find the least common denominator. There are two ways that we can find the common denominator: skip counting using multiples or by factoring each denominator. For this

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How to Find Common Denominators

Calculate the least common multiple LCM (3; 7; 13) LCM (3; 7; 13) = 273. Find additional factors for each fraction, for this divide LCM by the denominators of each fraction: 273 : 3 = 91 (factor

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One plus one is two.

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To determine what the math problem is, you will need to look at the given information and figure out what is being asked. Once you know what the problem is, you can solve it using the given information.

What is a Common Denominator?

This easy strategy for common denominators will help students remember the importance of them. I go through these three examples with my students. I ask them what is 2
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