Posted by **zech** on Tuesday, October 7, 2008 at 11:11pm.

I don't get these concepts for fractions

example

find each missing number

6 2/5 = 5 _?_/5

write each answer in the lowest terms subtract

12 1/3

- 9 2/3

________

- math -
**Ms. Sue**, Tuesday, October 7, 2008 at 11:39pm
Sometimes when we're adding or subtracting whole numbers and fractions, we need to change a whole number to a fraction. For the number

6 2/5, imagine 7 pizzas all divided into 5 pieces.

You ate 3 pieces of the 7th pizza so you have only 2/5 of it left.

Since the sixth pizza is divided into 5 pieces, you could say that you have five and 7/5 pizzas.

6 2/5 = 5 7/5

12 1/3 = 11 4/3

11 4/3

-9 2/3

_______

??

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