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December 20, 2014

December 20, 2014

Posted by **help** on Sunday, September 12, 2010 at 10:08pm.

simplify it later

i need explanation of how you get this for example 3/4 + 1/8 =

3/4=6/8

6/8 + 1/8= 7/8

how did they get 6/8 im confused thanks for helping and please.

- mathematics -
**Ms. Sue**, Sunday, September 12, 2010 at 10:17pm3/4 = 6/8

Imagine a pizza that you cut into fourths. You decide the pieces are too big, so you cut each piece in half. You now have 8 pieces. Your friends eat 6 of the 8 pieces -- which is 3/4 of the pizza.

To do it mathematically --

To change 3/4 so that it has 8 as a denominator, divide 8 by 4 = 2

2 * 3 = 6

This site explains it with excellent graphics.

http://www.mathsisfun.com/fractions_addition.html

Now, let's see if you can do this one: 1/3 + 1/6 =

I'll be glad to check your work.

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