Heba ate \dfrac{1}{12}
12
1
start fraction, 1, divided by, 12, end fraction of a box of cereal. Now the box is \dfrac{3}{4}
4
3
start fraction, 3, divided by, 4, end fraction full.
What fraction of a full box was there before Heba ate?
Answer:
Now box is 3/4 full
3/4 = 3/4*1
3/4 = 3/4 * 3/3 = 9/12
Box is 9/12 full after heba ate 1/12 of a box of cereal
Initial fraction will be 9/12+1/12
=10/12= 5/6
Step-by-step explanation:
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