Basic Math Examples

Simplify (20/21+19/30)÷(17/27)
Step 1
To divide by a fraction, multiply by its reciprocal.
Step 2
To write as a fraction with a common denominator, multiply by .
Step 3
To write as a fraction with a common denominator, multiply by .
Step 4
Write each expression with a common denominator of , by multiplying each by an appropriate factor of .
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Step 4.1
Multiply by .
Step 4.2
Multiply by .
Step 4.3
Multiply by .
Step 4.4
Multiply by .
Step 5
Combine the numerators over the common denominator.
Step 6
Simplify the numerator.
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Step 6.1
Multiply by .
Step 6.2
Multiply by .
Step 6.3
Add and .
Step 7
Cancel the common factor of .
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Step 7.1
Factor out of .
Step 7.2
Factor out of .
Step 7.3
Cancel the common factor.
Step 7.4
Rewrite the expression.
Step 8
Multiply by .
Step 9
Multiply.
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Step 9.1
Multiply by .
Step 9.2
Multiply by .
Step 10
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
Mixed Number Form: