Basic Math Examples

1.9

$1.9$

Step 1

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

1

$1$ number to the right of the decimal point, place the decimal number over

10^{1}

$10^{1}$

(10)

$(10)$ . Next, add the whole number to the left of the decimal.

1 \frac{9}{10}

$1 \frac{9}{10}$

Step 2

Convert

1 \frac{9}{10}

$1 \frac{9}{10}$ to an improper fraction.

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Step 2.1

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

1 + \frac{9}{10}

$1 + \frac{9}{10}$

Step 2.2

Add

1

$1$ and

\frac{9}{10}

$\frac{9}{10}$ .

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Step 2.2.1

Write

1

$1$ as a fraction with a common denominator.

\frac{10}{10} + \frac{9}{10}

$\frac{10}{10} + \frac{9}{10}$

Step 2.2.2

Combine the numerators over the common denominator.

\frac{10 + 9}{10}

$\frac{10 + 9}{10}$

Step 2.2.3

Add

10

$10$ and

9

$9$ .

\frac{19}{10}

$\frac{19}{10}$

\frac{19}{10}

$\frac{19}{10}$

\frac{19}{10}

$\frac{19}{10}$