Basic Math Examples

$6 \frac{1}{4} - 1 \frac{3}{4}$

Step 1

Convert

$6 \frac{1}{4}$ to an improper fraction.

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Step 1.1

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

$6 + \frac{1}{4} - 1 \frac{3}{4}$

Step 1.2

Add

$6$ and

$\frac{1}{4}$ .

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Step 1.2.1

To write

$6$ as a fraction with a common denominator, multiply by

$\frac{4}{4}$ .

$6 \cdot \frac{4}{4} + \frac{1}{4} - 1 \frac{3}{4}$

Step 1.2.2

Combine

$6$ and

$\frac{4}{4}$ .

$\frac{6 \cdot 4}{4} + \frac{1}{4} - 1 \frac{3}{4}$

Step 1.2.3

Combine the numerators over the common denominator.

$\frac{6 \cdot 4 + 1}{4} - 1 \frac{3}{4}$

Step 1.2.4

Simplify the numerator.

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Step 1.2.4.1

Multiply

$6$ by

$4$ .

$\frac{24 + 1}{4} - 1 \frac{3}{4}$

Step 1.2.4.2

Add

$24$ and

$1$ .

$\frac{25}{4} - 1 \frac{3}{4}$

Step 2

Convert

$1 \frac{3}{4}$ to an improper fraction.

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Step 2.1

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

$\frac{25}{4} - (1 + \frac{3}{4})$

Step 2.2

Add

$1$ and

$\frac{3}{4}$ .

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Step 2.2.1

Write

$1$ as a fraction with a common denominator.

$\frac{25}{4} - (\frac{4}{4} + \frac{3}{4})$

Step 2.2.2

Combine the numerators over the common denominator.

$\frac{25}{4} - \frac{4 + 3}{4}$

Step 2.2.3

Add

$4$ and

$3$ .

$\frac{25}{4} - \frac{7}{4}$

Step 3

Combine the numerators over the common denominator.

$\frac{25 - 7}{4}$

Step 4

Subtract

$7$ from

$25$ .

$\frac{18}{4}$

Step 5

Cancel the common factor of

$18$ and

$4$ .

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Step 5.1

Factor

$2$ out of

$18$ .

$\frac{2 (9)}{4}$

Step 5.2

Cancel the common factors.

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Step 5.2.1

Factor

$2$ out of

$4$ .

$\frac{2 \cdot 9}{2 \cdot 2}$

Step 5.2.2

Cancel the common factor.

$\frac{2 \cdot 9}{2 \cdot 2}$

Step 5.2.3

Rewrite the expression.

$\frac{9}{2}$

Step 6

The result can be shown in multiple forms.

Exact Form:

$\frac{9}{2}$

Decimal Form:

$4.5$

Mixed Number Form:

$4 \frac{1}{2}$