How do you simplify (-1.21) div (-1.1)?

May 14, 2017

$1.1$

Explanation:

$\frac{- 1.21}{- 1.1} = \frac{121 \cdot 0.01}{11 \cdot 0.1}$
But remember that $0.1 = \frac{1}{10}$ then

$\frac{- 1.21}{- 1.1} = \frac{11 \cdot \frac{1}{100}}{\frac{1}{10}}$
$= \frac{11 \cdot 10}{100}$
$= \frac{11}{10}$

$= 1.1$