CPM Homework Help : MC1 Problem 8-86

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Home > MC1 > Chapter 8 > Lesson 8.3.1 > Problem 8-86

8-86.

Add or subtract the following pairs of fractions and mixed numbers.

$\quad \frac { 5 } { 6 } + \frac { 2 } { 3 }$

Hint (a):
$\frac{5}{6}+\frac{4}{6}$

$\quad \frac { 7 } { 8 } - \frac { 1 } { 2 }$

Hint (b):
Which Giant One should you use to make both numbers have 8 in the denominator?

$1 \frac { 2 } { 3 } + 1 \frac { 1 } { 4 }$

Hint (c):
$\frac{5}{3}+\frac{5}{4}$

$2 \frac { 1 } { 3 } - 1 \frac { 5 } { 6 }$

Answer (d):
$\frac{1}{2}$
Can you show why this makes sense with a diagram?

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