Basic Math Examples

109.99

$109.99$

Step 1

Convert the decimal number to a fraction by placing the decimal number over a power of ten. Since there are

2

$2$ numbers to the right of the decimal point, place the decimal number over

10^{2}

$10^{2}$

(100)

$(100)$ . Next, add the whole number to the left of the decimal.

109 \frac{99}{100}

$109 \frac{99}{100}$

Step 2

Convert

109 \frac{99}{100}

$109 \frac{99}{100}$ to an improper fraction.

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Step 2.1

A mixed number is an addition of its whole and fractional parts.

109 + \frac{99}{100}

$109 + \frac{99}{100}$

Step 2.2

Add

109

$109$ and

\frac{99}{100}

$\frac{99}{100}$ .

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Step 2.2.1

To write

109

$109$ as a fraction with a common denominator, multiply by

\frac{100}{100}

$\frac{100}{100}$ .

109 \cdot \frac{100}{100} + \frac{99}{100}

$109 \cdot \frac{100}{100} + \frac{99}{100}$

Step 2.2.2

Combine

109

$109$ and

\frac{100}{100}

$\frac{100}{100}$ .

\frac{109 \cdot 100}{100} + \frac{99}{100}

$\frac{109 \cdot 100}{100} + \frac{99}{100}$

Step 2.2.3

Combine the numerators over the common denominator.

\frac{109 \cdot 100 + 99}{100}

$\frac{109 \cdot 100 + 99}{100}$

Step 2.2.4

Simplify the numerator.

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Step 2.2.4.1

Multiply

109

$109$ by

100

$100$ .

\frac{10900 + 99}{100}

$\frac{10900 + 99}{100}$

Step 2.2.4.2

Add

10900

$10900$ and

99

$99$ .

\frac{10999}{100}

$\frac{10999}{100}$

\frac{10999}{100}

$\frac{10999}{100}$

\frac{10999}{100}

$\frac{10999}{100}$

\frac{10999}{100}

$\frac{10999}{100}$