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I don’t understand this question

I don’t understand this question-example-1

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Answer:

They are asking you to subtrack 9/10 from 1 2/5.

You can achieve this by finding a common denominator for these 2 fractions and then subtracting it.

So, we know that the common denominator is 10 because 5*2=10.

We then change the fraction to 1 4/10.

Then you subtract 9/10 from 1 4/10

1 4/10 can be rewritten as 14/10.

14/10 - 9/10 = 5/10 = 1/2

Explanation:

User Baileythegreen
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