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Which of the following is not true for adding mixed numbers?

A.The denominators of the fraction must be the same in order to add them.
B.You can add mixed numbers by changing them into improper or by using a number line.
C.The sum of mixed numbers written as improper fractions is in simplest form.
D.The sum of the mixed numbers must be written in simplest form.

Respuesta :

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


The answer is C

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