CPM Homework Help : CC2 Problem 5-87

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5-87.

Simplify the following expressions.

$1 \frac { 1 } { 2 } + 2 \frac { 1 } { 8 }$
Hint (a):
First convert these into fractions greater than one.
More Help (a):
Next, find a common denominator and compute the sums.
Answer (a):
$3\frac{5}{8}$

$\frac{4}{5}-\frac{2}{3}+\frac{1}{6}$
Hint (b):
Find a common denominator among these three fractions.
Hint 2 (b):
Multiply each fraction by a Giant One to convert each fraction to ensure a common denominator.
More Help (b):
Compute the sum and differences.

$5\frac{3}{5}-1\frac{4}{5}$
Hint (c):
See part (a). Note these fractions already have a common denominator.
Answer (c):
$3\frac{4}{5}$

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