# What is the opposite and reciprocal of 2.17?

Jul 7, 2015

Oppisote is $\left(- 2.17\right)$

Reciprocal is $\frac{100}{217}$

#### Explanation:

Opposite of a positive number is the same number with a minus sign. A reciprocal of a number $x$ is $\frac{1}{x}$. If a number is rational (i. e. can be written as $\frac{p}{q}$ where $p$ and $q$ are integers) the reciprocal can be written as $\frac{q}{p}$