Basic Math Examples

$\frac{f (2.1) - f \cdot 2}{0.1}$

Step 1

Simplify the numerator.

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Step 1.1

Factor $f \cdot 0.1$ out of $f (2.1) - f \cdot 2$ .

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Step 1.1.1

Reorder the expression.

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Step 1.1.1.1

Reorder $f$ and $2.1$ .

$\frac{2.1 f - f \cdot 2}{0.1}$

Step 1.1.1.2

Move $f$ .

$\frac{2.1 f - 1 \cdot 2 f}{0.1}$

Step 1.1.2

Factor $f \cdot 0.1$ out of $2.1 f$ .

$\frac{f \cdot 0.1 (21) - 1 \cdot 2 f}{0.1}$

Step 1.1.3

Factor $f \cdot 0.1$ out of $- 1 \cdot 2 f$ .

$\frac{f \cdot 0.1 (21) + f \cdot 0.1 (- 10 \cdot 2)}{0.1}$

Step 1.1.4

Factor $f \cdot 0.1$ out of $f \cdot 0.1 (21) + f \cdot 0.1 (- 10 \cdot 2)$ .

$\frac{f \cdot 0.1 (21 - 10 \cdot 2)}{0.1}$

Step 1.2

Combine exponents.

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Step 1.2.1

Multiply $- 10$ by $2$ .

$\frac{f \cdot 0.1 (21 - 20)}{0.1}$

Step 1.2.2

Multiply $21 - 20$ by $0.1$ .

$\frac{f \cdot 0.1}{0.1}$

Step 2

Cancel the common factor of $0.1$ .

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Step 2.1

Cancel the common factor.

$\frac{f \cdot 0.1}{0.1}$

Step 2.2

Divide $f$ by $1$ .

$f$