CPM Homework Help : CC1MN Problem 4-69

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Home > CC1MN > Chapter 4 > Lesson 4.1.6 > Problem 4-69

4-69.

Find each sum.

$\frac { 3 } { 5 } + \frac { 1 } { 3 }$
Hint (a):
Find a common denominator.
Step 1(a):
By multiplying the first fraction by $\frac{3}{3}$ and the second fraction by $\frac{5}{5}$ you will achieve a common denominator of $15$ .
Step 2(a):
Now, you should be able to add the numerators together to get the correct sum.
Answer (a):
$\frac{9}{15}+\frac{5}{15}=\frac{14}{15}$

$\frac { 5 } { 7 } + \frac { 1 } { 2 }$
Hint (b):
See part (a) for help.

$\frac { 1 } { 6 } + \frac { 2 } { 8 }$
Hint (c):
See part (a) for help.

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