en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify (2/3-1/5)^{-1}

Solution

simplify

(\frac{2}{3} - \frac{1}{5})^{- 1}

Solution

\frac{15}{7}

+1

Decimal Notation

2.14285 \dots

Solution steps

(\frac{2}{3} - \frac{1}{5})^{- 1}

Apply exponent rule:

a^{- 1} = \frac{1}{a}

(\frac{2}{3} - \frac{1}{5})^{- 1} = \frac{1}{\frac{2}{3} - \frac{1}{5}}

= \frac{1}{\frac{2}{3} - \frac{1}{5}}

\frac{1}{\frac{2}{3} - \frac{1}{5}} = \frac{15}{7}

= \frac{15}{7}

Popular Examples

simplify (x+2)/(x-1)-1 simplify

\frac{x + 2}{x - 1} - 1

simplify 7x^2+12x-x^2-40x simplify

7 x^{2} + 12 x - x^{2} - 40 x

simplify sqrt(16n^2)simplify

16 n^{2}

simplify sqrt(63/64)simplify

\frac{63}{64}

expand (2y-2)(2y+2)expand

(2 y - 2) (2 y + 2)

Frequently Asked Questions (FAQ)

What is (2/3-1/5)^{-1} ?
The solution to (2/3-1/5)^{-1} is 15/7