Pre-Algebra Examples

$0.25 km$

Step 1

Convert $km$ to $mi$ .

$0.25 km \times \frac{1 mi}{1.60934 km}$

Step 2

Cancel the common units and simplify.

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Step 2.1

Cross cancel units.

$\frac{0.25 km}{1} \times \frac{1 mi}{1.60934 km}$

Step 2.2

Simplify the expression.

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Step 2.2.1

Remove the canceled units.

$\frac{0.25}{1} \times \frac{1 mi}{1.60934}$

Step 2.2.2

Combine fractions.

$\frac{0.25}{1.60934} mi$

Step 2.2.3

Simplify.

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Step 2.2.3.1

Cancel the common factor of $0.25$ .

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Step 2.2.3.1.1

Cancel the common factor.

$\frac{0.25}{1.60934} mi$

Step 2.2.3.1.2

Rewrite the expression.

$\frac{1}{1.60934} \cdot \frac{mi}{4}$

$\frac{1}{1.60934} \cdot \frac{mi}{4}$

Step 2.2.3.2

Multiply $\frac{1}{1.60934}$ by $\frac{mi}{4}$ .

$\frac{1}{1.60934 \cdot 4} mi$

Step 2.2.3.3

Multiply $1.60934$ by $4$ .

$\frac{1}{6.43736} mi$

Step 2.2.3.4

Divide $1$ by $6.43736$ .

$0.15534318 mi$

$0.15534318 mi$

$0.15534318 mi$

$0.15534318 mi$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$