Basic Math Examples

Evaluate 2/3-1/9
23-19
Step 1
To write 23 as a fraction with a common denominator, multiply by 33.
2333-19
Step 2
Write each expression with a common denominator of 9, by multiplying each by an appropriate factor of 1.
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Step 2.1
Multiply 23 by 33.
2333-19
Step 2.2
Multiply 3 by 3.
239-19
239-19
Step 3
Combine the numerators over the common denominator.
23-19
Step 4
Simplify the numerator.
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Step 4.1
Multiply 2 by 3.
6-19
Step 4.2
Subtract 1 from 6.
59
59
Step 5
The result can be shown in multiple forms.
Exact Form:
59
Decimal Form:
0.5
23-19
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7
7
8
8
9
9
4
4
5
5
6
6
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1
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3
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 [x2  12  π  xdx ]