# Math

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what is 4 5/6 + 3 2/3? First I had to find out the LCD which is 12. since 6 goes into 12 twice I X 5 by 2 and got 4 10/12 + 3 8/12 which gave me 7 18/12 I divided that by 2 and got 7 9/6 and then divided that by 3 and got 7 3/2 which I thought was my answer but the that wasn't one of my choices. My choices are 1 1/6; 7 7/16; 8 1/2 and 8 2/3. What did I do wrong?

• Math -

2 / 3 = 4 / 6

4 5 / 6 + 3 2 / 3 =

4 5 / 6 + 3 4 / 6 =

7 9 / 6 = 7 + 6 / 6 + 3 / 6 =

7 + 1 + 3 / 6 = 8 3 / 6 = 8 1 / 2

P.S.

3 / 6 = 1 / 2

• Math -

Simplify:
7 3/2 = 8 1/2

You could have made it simpler. The LCD is 6.

4 5/6 + 3 4/6 = 7 9/6 = 8 3/6 = 8 1/2

• Math -

4 5/6 } 5/6
+ 3 2/3 } 2 * 2 = 4
________ - -
7 3 * 2 = 6

Now add 5 + 4 9
- - = -
6 6 6
Now as you see the number has become an improper fraction . So now you do this:

A: 9 9 3
7 - = - = 9 - 6 = 3 = 8 - =
6 6 6
1
8 -
2

1
2
changing an improper fraction, you are actually simplifying . So when you were changing 3 , you were simplifying it to
-
6
It's simplliest form. And you get the 8 because when you were subtracting 9 - 6 you first count 6 which is one whole already, then you go 7 8 9 . Then you got 3 . So now you have to simplyfy it
-
6
to its simpliest form . So you divide it by 3 which then gives you 1 . Then
-
2
you just put the eight in the front of the 1/2 . That's your answer: 8 1/2

• Math -

my answer doesnt show good. I have to fix it.

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