Basic Math Examples

$16.45$

Step 1

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

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

$10^{2}$

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

$16 \frac{45}{100}$

Step 2

Reduce the fractional part of the mixed number.

$16 \frac{9}{20}$

Step 3

Convert

$16 \frac{9}{20}$ to an improper fraction.

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Step 3.1

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

$16 + \frac{9}{20}$

Step 3.2

Add

$16$ and

$\frac{9}{20}$ .

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Step 3.2.1

To write

$16$ as a fraction with a common denominator, multiply by

$\frac{20}{20}$ .

$16 \cdot \frac{20}{20} + \frac{9}{20}$

Step 3.2.2

Combine

$16$ and

$\frac{20}{20}$ .

$\frac{16 \cdot 20}{20} + \frac{9}{20}$

Step 3.2.3

Combine the numerators over the common denominator.

$\frac{16 \cdot 20 + 9}{20}$

Step 3.2.4

Simplify the numerator.

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Step 3.2.4.1

Multiply

$16$ by

$20$ .

$\frac{320 + 9}{20}$

Step 3.2.4.2

Add

$320$ and

$9$ .

$\frac{329}{20}$