# Math

A printer has 15 rolls of newsprint in a warehouse. What fractional total will remain (in lowest terms) after 10 rolls are used?

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1. If you show us how you think the problem should be solved, we'll be glad to check your work and your answer.

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Ms. Sue
2. would it be 10/15

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3. You're right as far as you went. :-) Now reduce 10/15 to its lowest terms.

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Ms. Sue
4. it would be 2/3

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5. Remember, when you write a fraction is is part/whole. You want to know how many rolls are left so do the subtraction (15 to start with, 10 are used)...this will be your "part" or numerator. The amount you started with will be your "whole" or denominator. You can reduce them by dividing them both by 5.

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6. Yay! You're right! :-)

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Ms. Sue
7. thank you

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8. What is a fraction?

part/whole = fraction

10/15 = fraction

5 into 10 = 2 (our numerator)

5 into 15 = 3 (our denominator)

Done!

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