# Question #f60e7

Aug 19, 2017

Absolute error in y = y multiplied by sum of fractional error in a and b

#### Explanation:

$y = \frac{a}{b}$
$\Rightarrow \frac{\Delta y}{y} = \frac{\Delta a}{a} + \frac{\Delta b}{b}$
$\Rightarrow \Delta y = y \left(\frac{\Delta a}{a} + \frac{\Delta b}{b}\right)$

Where
$\Delta y , \Delta a$ and $\Delta b$= absolute errors in y,a,b