Precalculus Examples

$1 - \frac{9}{16}$

Step 1

Write $1$ as a fraction with a common denominator.

$\frac{16}{16} - \frac{9}{16}$

Step 2

Combine the numerators over the common denominator.

$\frac{16 - 9}{16}$

Step 3

Subtract $9$ from $16$ .

$\frac{7}{16}$

Step 4

The result can be shown in multiple forms.

Exact Form:

$\frac{7}{16}$

Decimal Form:

$0.4375$