Basic Math Examples

Solve for j 1 2/3*j=15
Step 1
Simplify the left side.
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Step 1.1
Simplify .
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Step 1.1.1
Convert to an improper fraction.
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Step 1.1.1.1
A mixed number is an addition of its whole and fractional parts.
Step 1.1.1.2
Add and .
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Step 1.1.1.2.1
Write as a fraction with a common denominator.
Step 1.1.1.2.2
Combine the numerators over the common denominator.
Step 1.1.1.2.3
Add and .
Step 1.1.2
Combine and .
Step 2
Multiply both sides of the equation by .
Step 3
Simplify both sides of the equation.
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Step 3.1
Simplify the left side.
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Step 3.1.1
Simplify .
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Step 3.1.1.1
Cancel the common factor of .
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Step 3.1.1.1.1
Cancel the common factor.
Step 3.1.1.1.2
Rewrite the expression.
Step 3.1.1.2
Cancel the common factor of .
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Step 3.1.1.2.1
Factor out of .
Step 3.1.1.2.2
Cancel the common factor.
Step 3.1.1.2.3
Rewrite the expression.
Step 3.2
Simplify the right side.
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Step 3.2.1
Simplify .
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Step 3.2.1.1
Cancel the common factor of .
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Step 3.2.1.1.1
Factor out of .
Step 3.2.1.1.2
Cancel the common factor.
Step 3.2.1.1.3
Rewrite the expression.
Step 3.2.1.2
Multiply by .