Basic Math Examples

Simplify 2/7-1/8
27-18
Step 1
To write 27 as a fraction with a common denominator, multiply by 88.
2788-18
Step 2
To write -18 as a fraction with a common denominator, multiply by 77.
2788-1877
Step 3
Write each expression with a common denominator of 56, by multiplying each by an appropriate factor of 1.
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Step 3.1
Multiply 27 by 88.
2878-1877
Step 3.2
Multiply 7 by 8.
2856-1877
Step 3.3
Multiply 18 by 77.
2856-787
Step 3.4
Multiply 8 by 7.
2856-756
2856-756
Step 4
Combine the numerators over the common denominator.
28-756
Step 5
Simplify the numerator.
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Step 5.1
Multiply 2 by 8.
16-756
Step 5.2
Subtract 7 from 16.
956
956
Step 6
The result can be shown in multiple forms.
Exact Form:
956
Decimal Form:
0.16071428
 [x2  12  π  xdx ]