CPM Homework Help : CC2MN Problem 6-96

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6-96.

Simplify each expression.

$\frac { 5 } { 12 } + ( - \frac { 7 } { 8 } ) - ( - \frac { 1 } { 6 } )$
Hint (a):
Find a common denominator.
Answer (a):
$-\frac{7}{24}$

$- \frac { 11 } { 15 } - \frac { 4 } { 5 } - ( - \frac { 57 } { 60 } )$
Hint (b):
Find a common denominator.
Step (b):
$-\frac{44}{60}-\frac{48}{60}-\left(-\frac{57}{60}\right)$

$4 \frac { 1 } { 12 } + ( - 1 \frac { 5 } { 6 } )$
Hint (c):
Convert these mixed numbers into fractions greater than one.
Step (c):
$\frac{49}{12}-\frac{11}{6}$

$- \frac { 7 } { 11 } \cdot \frac { 8 } { 9 }$
Answer (d):
$-\frac{56}{99}$

$\frac { 1 } { 3 } \cdot \frac { 1 } { 2 } + \frac { 5 } { 6 }$
Hint (e):
Follow the Order of Operations.
Solution (e):
$\frac{1}{6}+\frac{5}{6}$

$-\frac{4}{6}\cdot(-\frac{9}{2})$
Hint (f):
Your answer should be positive.

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