3/10+3/9=27/20+30/90=57/90
so 33/90 is left, which is about 1/3
Gail spent 3/10 of her day at school, and 3/9 of her day sleeping. About how much of her day is left?
A:about 7/10 B:about 1/3
C:about 1/5 D:about 4/10
My answer: I am stuck choosing between 4/10 or 1/3.
5 answers
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How is 33/90 left?
How do you get 33/90?
(90/90) - (57/90) = 33/90