Pre-Algebra Examples

$\frac{1}{4} + \frac{1}{2} + \frac{3}{4}$

Step 1

Combine the numerators over the common denominator.

$\frac{1 + 3}{4} + \frac{1}{2}$

Step 2

Simplify the expression.

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Step 2.1

Add $1$ and $3$ .

$\frac{4}{4} + \frac{1}{2}$

Step 2.2

Divide $4$ by $4$ .

$1 + \frac{1}{2}$

Step 2.3

Write $1$ as a fraction with a common denominator.

$\frac{2}{2} + \frac{1}{2}$

Step 2.4

Combine the numerators over the common denominator.

$\frac{2 + 1}{2}$

Step 2.5

Add $2$ and $1$ .

$\frac{3}{2}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$\frac{3}{2}$

Decimal Form:

$1.5$

Mixed Number Form:

$1 \frac{1}{2}$