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26-04-2017
Mathematics

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What is the sum of 4 2/4 + 7 4/5 ?
The space between fractions is because there are whole numbers 4 and 7

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Аноним Аноним

26-04-2017

12.3 or 12 3/10

4.5 + 7.8 = 12.3

or

4 10/20 + 7 16/20 = 11 26/20

11 26/20 can be simplified to 12 6/20 and further simplified to 12 3/10

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