Algebra Examples

$\frac{π}{2} - 1.5$

Step 1

To write $- 1.5$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$\frac{π}{2} - 1.5 \cdot \frac{2}{2}$

Step 2

Combine fractions.

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Step 2.1

Combine $- 1.5$ and $\frac{2}{2}$ .

$\frac{π}{2} + \frac{- 1.5 \cdot 2}{2}$

Step 2.2

Combine the numerators over the common denominator.

$\frac{π - 1.5 \cdot 2}{2}$

Step 3

Simplify the numerator.

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Step 3.1

Multiply $- 1.5$ by $2$ .

$\frac{π - 3}{2}$

Step 3.2

Replace with decimal approximation.

$\frac{3.14159265 - 3}{2}$

Step 3.3

Subtract $3$ from $3.14159265$ .

$\frac{0.14159265}{2}$

Step 4

Divide $0.14159265$ by $2$ .

$0.07079632$