Basic Math Examples

Evaluate 12 2/5
12251225
Step 1
A mixed number is an addition of its whole and fractional parts.
12+2512+25
Step 2
Add 1212 and 2525.
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Step 2.1
To write 1212 as a fraction with a common denominator, multiply by 5555.
1255+251255+25
Step 2.2
Combine 1212 and 5555.
1255+251255+25
Step 2.3
Combine the numerators over the common denominator.
125+25125+25
Step 2.4
Simplify the numerator.
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Step 2.4.1
Multiply 1212 by 55.
60+2560+25
Step 2.4.2
Add 6060 and 22.
625625
625625
625625
Step 3
The result can be shown in multiple forms.
Exact Form:
625625
Decimal Form:
12.412.4
Mixed Number Form:
12251225
 [x2  12  π  xdx ]  x2  12  π  xdx