# Erica mixed 1 1/5 cups of wheat flour,2 2/5 cups rye flour, and 2 3/5 cups white flour together. How many cups of flour did she mix together?

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answer A. 6 1/5

answer B. 6

answer C. 5 4/5

answer D. 5 1/5

answer A. 6 1/5

answer B. 6

answer C. 5 4/5

answer D. 5 1/5

##### 2 Answers

A.

#### Explanation:

- Add all the whole numbers
#-> 1 + 2 + 2 = 5# - Add the fractions
#-> 1/5 + 2/5 + 3/5 = 6/5# - all of the fractions have a common denominator
#(5)# , so you simply add the numerator (top digit) - Simplify improper fraction to a mixed number
#-> 6/5 = 1 1/5# - Add whole and mixed number
#-> 5 + 1 1/5 = 6 1/5#

Jun 18, 2018

The answer is

#### Explanation:

Since all of the fractions have the same denominator, we can add the whole numbers and the numerators of the fractions.

Add the whole numbers first.

Add the numerators.

Simplify

Simplify