Basic Math Examples

Simplify 8 21/40
82140
Step 1
A mixed number is an addition of its whole and fractional parts.
8+2140
Step 2
Add 8 and 2140.
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Step 2.1
To write 8 as a fraction with a common denominator, multiply by 4040.
84040+2140
Step 2.2
Combine 8 and 4040.
84040+2140
Step 2.3
Combine the numerators over the common denominator.
840+2140
Step 2.4
Simplify the numerator.
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Step 2.4.1
Multiply 8 by 40.
320+2140
Step 2.4.2
Add 320 and 21.
34140
34140
34140
Step 3
The result can be shown in multiple forms.
Exact Form:
34140
Decimal Form:
8.525
Mixed Number Form:
82140
 [x2  12  π  xdx ]