Basic Math Examples

1.05

$1.05$

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.

1 \frac{5}{100}

$1 \frac{5}{100}$

Step 2

Reduce the fractional part of the mixed number.

1 \frac{1}{20}

$1 \frac{1}{20}$

Step 3

Convert

1 \frac{1}{20}

$1 \frac{1}{20}$ to an improper fraction.

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Step 3.1

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

1 + \frac{1}{20}

$1 + \frac{1}{20}$

Step 3.2

Add

1

$1$ and

\frac{1}{20}

$\frac{1}{20}$ .

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Step 3.2.1

Write

1

$1$ as a fraction with a common denominator.

\frac{20}{20} + \frac{1}{20}

$\frac{20}{20} + \frac{1}{20}$

Step 3.2.2

Combine the numerators over the common denominator.

\frac{20 + 1}{20}

$\frac{20 + 1}{20}$

Step 3.2.3

Add

20

$20$ and

1

$1$ .

\frac{21}{20}

$\frac{21}{20}$

\frac{21}{20}

$\frac{21}{20}$

\frac{21}{20}

$\frac{21}{20}$