# Math Help - Simplify help

1. ## Simplify help

Me and fractions have always been sworn enemies, till this very day I have trouble with them.

So I suppose to simplify
-5.1
____

1.7

Now the answer is said to be negative three
I just want to know how do you get -3, any help?

2. Originally Posted by SSK
Me and fractions have always been sworn enemies, till this very day I have trouble with them.

So I suppose to simplify
-5.1
____

1.7

Now the answer is said to be negative three
I just want to know how do you get -3, any help?
5.1 is a multiple of 1.7:

$\dfrac{-5.1}{1.7} = \dfrac{(-3) \cdot 1.7}{1.7}$

Now cancel the 1.7:

$\dfrac{(-3) \cdot 1.7}{1.7} = \dfrac{-3}{1} = -3$

3. Or you could use long division.
..........-3
1.7 ----5.1
...........5.1
................0

r=0