Brian says that when you add or subtract fractions with the same denominator, you can add or subtract the numerators and keep the same denominator. Is Brian correct? Explain.

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22-03-2018
Mathematics

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Brian says that when you add or subtract fractions with the same denominator, you can add or subtract the numerators and keep the same denominator. Is Brian correct? Explain.

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gingerpoet gingerpoet · Answer 1 · 2018-03-22T20:05:19+01:00

gingerpoet gingerpoet

22-03-2018

Brian is correct. Because when you add or subtract fractions with common denominators, it follows the rule of addition. The denominator stays the same and you simply need to get the sum of the numerators. It is pretty straightforward. For example:

[tex] \frac{a}{b} + \frac{c}{b} = \frac{a + c}{b}[/tex]

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