Mrs. Kelley baked apple pies for her family. The boys ate 9/10 of a pie and the girls ate 3/4 of a pie. How much more pie did the boys eat than the girls?Write your answer as a fraction or as a whole or mixed number.
Question
Mrs. Kelley baked apple pies for her family. The boys ate 9/10 of a pie and the girls ate 3/4 of a pie. How much more pie did the boys eat than the girls?Write your answer as a fraction or as a whole or mixed number.
Solution
First, we need to determine how much each group ate.
The boys ate 9/10 of a pie.
The girls ate 3/4 of a pie.
To find out how much more the boys ate than the girls, we subtract the fraction that represents what the girls ate from the fraction that represents what the boys ate.
So, 9/10 - 3/4 is the calculation we need to perform.
Before we can subtract these fractions, we need to find a common denominator. The least common denominator between 10 and 4 is 20.
We convert 9/10 to 18/20 (by multiplying both the numerator and denominator by 2) and 3/4 to 15/20 (by multiplying both the numerator and denominator by 5).
Now we can subtract: 18/20 - 15/20 = 3/20.
So, the boys ate 3/20 of a pie more than the girls.
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