Precalculus Examples

$1 - (- \frac{1}{4})$

Step 1

Multiply $- (- \frac{1}{4})$ .

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Step 1.1

Multiply $- 1$ by $- 1$ .

$1 + 1 (\frac{1}{4})$

Step 1.2

Multiply $\frac{1}{4}$ by $1$ .

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

Step 2

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

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

Step 3

Combine the numerators over the common denominator.

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

Step 4

Add $4$ and $1$ .

$\frac{5}{4}$

Step 5

The result can be shown in multiple forms.

Exact Form:

$\frac{5}{4}$

Decimal Form:

$1.25$

Mixed Number Form:

$1 \frac{1}{4}$