Rewrite 6 3/4 as an improper fraction

To find the answer, all you would need to do is multiply the denominator by the whole number and add the numerator. And so if you multiply the denominator(4) by the whole number(6), and add the numerator(3), you will get the 27/4.

6 3/4
Multiply the denominator by the whole number
24 3/4
Add the numerator
Final 27/4

He will need 2,898 pieces of paper