Basic Math Examples

$\frac{1}{2} \cdot 1 - 0.99$

Step 1

Multiply $\frac{1}{2}$ by $1$ .

$\frac{1}{2} - 0.99$

Step 2

To write $- 0.99$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$\frac{1}{2} - 0.99 \cdot \frac{2}{2}$

Step 3

Combine fractions.

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Step 3.1

Combine $- 0.99$ and $\frac{2}{2}$ .

$\frac{1}{2} + \frac{- 0.99 \cdot 2}{2}$

Step 3.2

Combine the numerators over the common denominator.

$\frac{1 - 0.99 \cdot 2}{2}$

Step 4

Simplify the numerator.

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Step 4.1

Multiply $- 0.99$ by $2$ .

$\frac{1 - 1.98}{2}$

Step 4.2

Subtract $1.98$ from $1$ .

$\frac{- 0.98}{2}$

Step 5

Divide $- 0.98$ by $2$ .

$- 0.49$