Willie is making cookies. From a bag of sugar, he removed 1 1/4 cups for the cookie dough and 3/8cup to sprinkle on top. What number represents the total change in the amount of sugar in the bag?
firstly, make the mixed number improper. that would make it 5/4. then make the denominators equal. 4 x 2 = 8 so you multiply the 5 by 2 as well. now you have 10/8 - 3/8. that equals 7/8 which is the solution to the problem.
