Basic Math Examples

Evaluate 2 1/3-1 5/6
213-156
Step 1
Convert 213 to an improper fraction.
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Step 1.1
A mixed number is an addition of its whole and fractional parts.
2+13-156
Step 1.2
Add 2 and 13.
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Step 1.2.1
To write 2 as a fraction with a common denominator, multiply by 33.
233+13-156
Step 1.2.2
Combine 2 and 33.
233+13-156
Step 1.2.3
Combine the numerators over the common denominator.
23+13-156
Step 1.2.4
Simplify the numerator.
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Step 1.2.4.1
Multiply 2 by 3.
6+13-156
Step 1.2.4.2
Add 6 and 1.
73-156
73-156
73-156
73-156
Step 2
Convert 156 to an improper fraction.
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Step 2.1
A mixed number is an addition of its whole and fractional parts.
73-(1+56)
Step 2.2
Add 1 and 56.
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Step 2.2.1
Write 1 as a fraction with a common denominator.
73-(66+56)
Step 2.2.2
Combine the numerators over the common denominator.
73-6+56
Step 2.2.3
Add 6 and 5.
73-116
73-116
73-116
Step 3
To write 73 as a fraction with a common denominator, multiply by 22.
7322-116
Step 4
Write each expression with a common denominator of 6, by multiplying each by an appropriate factor of 1.
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Step 4.1
Multiply 73 by 22.
7232-116
Step 4.2
Multiply 3 by 2.
726-116
726-116
Step 5
Combine the numerators over the common denominator.
72-116
Step 6
Simplify the numerator.
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Step 6.1
Multiply 7 by 2.
14-116
Step 6.2
Subtract 11 from 14.
36
36
Step 7
Cancel the common factor of 3 and 6.
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Step 7.1
Factor 3 out of 3.
3(1)6
Step 7.2
Cancel the common factors.
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Step 7.2.1
Factor 3 out of 6.
3132
Step 7.2.2
Cancel the common factor.
3132
Step 7.2.3
Rewrite the expression.
12
12
12
Step 8
The result can be shown in multiple forms.
Exact Form:
12
Decimal Form:
0.5
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 [x2  12  π  xdx ]