Question

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

Answer 1

`1.1`

Explanation:

`(-1.21)/(-1.1) = (121*0.01)/(11*0.1)`
But remember that `0.1=1/10` then

`(-1.21)/(-1.1) = (11*1/100)/(1/10)`
`= (11*10)/100`
`=11/10`

`=1.1`