Basic Math Examples

Convert to a Decimal 12.4%
12.4%
Step 1
Convert the percentage to a fraction by placing the expression over 100. Percentage means 'out of 100'.
12.4100
Step 2
Convert the decimal number to a fraction by shifting the decimal point in both the numerator and denominator. Since there is 1 number to the right of the decimal point, move the decimal point 1 place to the right.
1241000
Step 3
Cancel the common factor of 124 and 1000.
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Step 3.1
Factor 4 out of 124.
4(31)1000
Step 3.2
Cancel the common factors.
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Step 3.2.1
Factor 4 out of 1000.
4314250
Step 3.2.2
Cancel the common factor.
4314250
Step 3.2.3
Rewrite the expression.
31250
31250
31250
Step 4
Convert the fraction to a decimal by dividing the numerator by the denominator.
0.124
12.4%
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 [x2  12  π  xdx ]