Pre-Algebra Examples

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

Step 1

To write $- 3$ as a fraction with a common denominator, multiply by $\frac{4}{4}$ .

$- \frac{3}{4} - 3 \cdot \frac{4}{4}$

Step 2

Combine $- 3$ and $\frac{4}{4}$ .

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

Step 3

Combine the numerators over the common denominator.

$\frac{- 3 - 3 \cdot 4}{4}$

Step 4

Simplify the numerator.

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Step 4.1

Multiply $- 3$ by $4$ .

$\frac{- 3 - 12}{4}$

Step 4.2

Subtract $12$ from $- 3$ .

$\frac{- 15}{4}$

Step 5

Move the negative in front of the fraction.

$- \frac{15}{4}$

Step 6

The result can be shown in multiple forms.

Exact Form:

$- \frac{15}{4}$

Decimal Form:

$- 3.75$

Mixed Number Form:

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