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Pre-Algebra Examples
Step 1
Step 1.1
Combine the numerators over the common denominator.
Step 1.2
Add and .
Step 2
Step 2.1
Combine and .
Step 2.2
Combine and .
Step 2.3
Divide by .
Step 3
Step 3.1
Combine the numerators over the common denominator.
Step 3.2
Add and .
Step 4
To write as a fraction with a common denominator, multiply by .
Step 5
Combine and .
Step 6
Combine the numerators over the common denominator.
Step 7
Step 7.1
Write as a fraction with denominator .
Step 7.2
Multiply by .
Step 7.3
Multiply by .
Step 7.4
Write as a fraction with denominator .
Step 7.5
Multiply by .
Step 7.6
Multiply by .
Step 8
Combine the numerators over the common denominator.
Step 9
Step 9.1
Multiply by .
Step 9.2
Multiply by .
Step 9.3
Multiply by .
Step 10
Step 10.1
Add and .
Step 10.2
Add and .
Step 10.3
Factor out of .
Step 10.3.1
Factor out of .
Step 10.3.2
Factor out of .
Step 10.3.3
Factor out of .
Step 10.4
Factor out of .
Step 10.5
Rewrite as .
Step 10.6
Factor out of .
Step 10.7
Simplify the expression.
Step 10.7.1
Rewrite as .
Step 10.7.2
Move the negative in front of the fraction.