Basic Math Examples

Simplify 2 1/8÷(1/3)
218÷13
Step 1
Convert 218 to an improper fraction.
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Step 1.1
A mixed number is an addition of its whole and fractional parts.
(2+18)÷13
Step 1.2
Add 2 and 18.
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Step 1.2.1
To write 2 as a fraction with a common denominator, multiply by 88.
(288+18)÷13
Step 1.2.2
Combine 2 and 88.
(288+18)÷13
Step 1.2.3
Combine the numerators over the common denominator.
28+18÷13
Step 1.2.4
Simplify the numerator.
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Step 1.2.4.1
Multiply 2 by 8.
16+18÷13
Step 1.2.4.2
Add 16 and 1.
178÷13
178÷13
178÷13
178÷13
Step 2
To divide by a fraction, multiply by its reciprocal.
1783
Step 3
Multiply 1783.
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Step 3.1
Combine 178 and 3.
1738
Step 3.2
Multiply 17 by 3.
518
518
Step 4
The result can be shown in multiple forms.
Exact Form:
518
Decimal Form:
6.375
Mixed Number Form:
638
 [x2  12  π  xdx ]