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3 years ago

14

Add. 7 2/15 + 5 2/3 + 9 13/15 20 2/3 21 10/15 21 2/3 22 2/3

1 answer:

luda_lava [24]3 years ago

5 0

<span>7 2/15 + 5 2/3 + 9 13/15

The only one that needs to be changed a little is 5 2/3 so that it will also have 15 as a denominator.
5 2/3 * 5/5 = 5 10/15

</span><span>7 2/15 + 5 10/15 + 9 13/15
12 12/15 + 9 13/15
21 25/15

</span>21 25/15
We can simplify this a bit further by dividing the fraction by 5.
21 25/15 = 21 5/3

21 5/3
Now change the improper fraction into a mixed fraction and add the whole number to the current whole number.
5/3 = 1 2/3
21 + 1 2/3 = 22 2/3

The answer is
D. 22 2/3

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