Pre-Algebra Examples

$\frac{4}{10} + \frac{4}{5}$

Step 1

Cancel the common factor of $4$ and $10$ .

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Step 1.1

Factor $2$ out of $4$ .

$\frac{2 (2)}{10} + \frac{4}{5}$

Step 1.2

Cancel the common factors.

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Step 1.2.1

Factor $2$ out of $10$ .

$\frac{2 \cdot 2}{2 \cdot 5} + \frac{4}{5}$

Step 1.2.2

Cancel the common factor.

$\frac{2 \cdot 2}{2 \cdot 5} + \frac{4}{5}$

Step 1.2.3

Rewrite the expression.

$\frac{2}{5} + \frac{4}{5}$

Step 2

Combine the numerators over the common denominator.

$\frac{2 + 4}{5}$

Step 3

Add $2$ and $4$ .

$\frac{6}{5}$

Step 4

The result can be shown in multiple forms.

Exact Form:

$\frac{6}{5}$

Decimal Form:

$1.2$

Mixed Number Form:

$1 \frac{1}{5}$

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