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3 years ago

6

What's the sum of 2⁄5 and 2⁄4? A. 8⁄20 B. 6⁄7 C. 10⁄20 D. 9⁄10

2 answers:

enyata [817]3 years ago

8 0

This is a sum of fractions with different denominators.

You can solve them by transforming to fractions with the same denominator.

If you multiply the fraction 2/5 by 2/2 and the simpliy the fraction 2/4 to 1/2 and then multiply it by 5/5 you get:

2/ 5 * 2/2 = 4 / 10

2/4 = 1/2 * 5/5 = 5 / 10

Now you have two fractions with equal denominator which you can sum directly:

4/10 + 5/10 = 9/10

Answer: option D. 9/10

jeka943 years ago

8 0

The answer is D. 9/10

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