Question #c4bdd

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Question #c4bdd

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Answer 1 · 2017-09-20T00:44:45

Melissa ran $11 \frac{29}{60}$ $11 29/60$ miles in all.

Explanation:

To solve this problem, first, you need to find a common denominator, also known as a least common multiple (LCM). The LCM of $3$ $3$ , $4$ $4$ , and $5$ $5$ is $60$ $60$ , so you know you need to change all of the fractions to a denominator of $60$ $60$ .

$\frac{2}{5}$ $2/5$ is equal to $\frac{24}{60}$ $24/60$

$\frac{3}{4}$ $3/4$ is $\frac{45}{60}$ $45/60$

$\frac{1}{3}$ $1/3$ is $\frac{20}{60}$ $20/60$

Add these up and you get $\frac{89}{60}$ $89/60$ . Change this into a mixed number and you get $1 \frac{29}{60}$ $1 29/60$ . Then you add the mixed numbers and get $6 + 2 + 2$ $6+2+2$ , which is $10$ $10$ .

$10 + 1 \frac{29}{60} = \frac{11}{60}$ $10 + 1 29/60 = 11/60$

so this is your final answer.

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