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Paulapallooza
You are adding to the fractions together to get the whole in #6 so B is the answer
shahriyar
For #7 you have to change the fraction to another fraction that has a common denominator which is 8. So change3/4 into 6/8 then subtract 2 5/8-6/8. So change 2 5/8 into 1 13/8. So then subtract 1 13/8-6/8 and the answer is 1 7/8 pages.

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