Question

Mary has 16 3/4cups of flour she made one dessert that used 1 1/3cups and another than used 2 5/12cups how much flour does Mary have left after making the two desserts?

Answer 1

`16 (3)/(4) - 1 (1)/(3) - 2 (5)/(12)`


`= 16 (3 * 3)/(4 * 3) - 1 (1* 4)/(3 * 4) - 2 (5)/(12)`


`= 16 (9)/(12) - 1 (4)/(12) - 2 (5)/(12)`


`= 13`

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Answer: Mary has 13 cups left.
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Answer 2

Answer: 13

Explanation:

Mary has 16 3/4 cups of flour

She uses 1 1/3 cup and 2 5/12, we add the amount she uses together

1 1/3 + 2 5/12

4/3 + 29/12 = 16 + 29 / 12

=45/12 = 15/4

Amount left = amount has - amount used.

16 3/4 = 67 / 4

Amount left = 67 / 4 - 15 / 4

=52 / 4 =13