Posted by **Erin** on Monday, April 27, 2009 at 2:55pm.

There is a circle that is cut in three slices one slice is (in fractions) 1/3 and one slice is 1/5. What fraction is the other slice. (it is a whole circle.)

Can you please tell me how to I can figure this out on my own.

- math -
**Reiny**, Monday, April 27, 2009 at 3:01pm
1/3 + 1/5

= 5/15 + 3/15

= 8/15

wouldn't that leave 7/15 for the third slice ?

- math -
**Erin**, Monday, April 27, 2009 at 3:08pm
But how did you figure it out like that.

- math -
**Reiny**, Monday, April 27, 2009 at 3:16pm
1/2 + 1/5 = 8/15, (see above)

the whole circle is 1 or 15/15

15/15 - 8/15 = 7/15

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