Basic Math Examples

Evaluate 1/2+2/7
12+27
Step 1
To write 12 as a fraction with a common denominator, multiply by 77.
1277+27
Step 2
To write 27 as a fraction with a common denominator, multiply by 22.
1277+2722
Step 3
Write each expression with a common denominator of 14, by multiplying each by an appropriate factor of 1.
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Step 3.1
Multiply 12 by 77.
727+2722
Step 3.2
Multiply 2 by 7.
714+2722
Step 3.3
Multiply 27 by 22.
714+2272
Step 3.4
Multiply 7 by 2.
714+2214
714+2214
Step 4
Combine the numerators over the common denominator.
7+2214
Step 5
Simplify the numerator.
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Step 5.1
Multiply 2 by 2.
7+414
Step 5.2
Add 7 and 4.
1114
1114
Step 6
The result can be shown in multiple forms.
Exact Form:
1114
Decimal Form:
0.7857142
 [x2  12  π  xdx ]