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What are your choices?
1.which of the following is not true for adding mixed numbers?
A.the denominators of the fractions must be the same in order to add them.
B.you can add mixed numbers by changing them into improper fractions or by using a number line.
C.the sum of the mixed numbers written as an improper fraction is in simplest form.
D.the sum of the mixed numbers must be written in simplest form.
2.joe was making mixed nuts.he used 2 1/4 pounds of pecans and 3 1/5 pounds of cashews.how many pounds of mixed nuts did joe make?
A.5 17/40
B.5 2/9
C.5 1/2
D.5 9/20
3.trent bought 3 3/4 pounds of strawberries and 2 1/6 pounds of raspberries at the farmers market.how many total pounds of fruit did trent buy?
A.5 1/12
B.2 2/5
C.5 11/12
D.5 1/6
4.Last week,mrs.hale worked 42 1/2hours,and this week,she worked 41 1/3hours.how many hours did she work in the last two weeks?
A.83 5/6
B.84 2/3
C.83 2/3
D.83 2/5
5.a chemist mixes 2 3/5g of an element and 16 4/9g of another element.when the two are mixed,what is the total mass in simplest form?
A.18 1/2 g
B.18 2/45g
C.19 2/45g
D.18 1/4g
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