Posted by **Renriki** on Monday, November 2, 2009 at 4:55pm.

I have math fractions to add. I never went over these ,so please help.

7/8 + 3/4 + 15/24=

5/9 + 6/7= 4/5 + 11/15 + 17/30 =

1 7/8 + 2 11/16 =

- Math -
**Ms. Sue**, Monday, November 2, 2009 at 5:03pm
You need to use a common denominator and equivalent fractions when adding or subtracting fractions.

The common denominator for 8, 4, and 24 is 24.

7/8 = 21/24

3/4 = 18/24

Add the numerators:

21/24 + 18/24 + 15/24 = 54/24 = 2 6/24 = 2 1/4

- Math -
**Renriki**, Monday, November 2, 2009 at 5:05pm
Oh ,ok thanks

- Math -
**Ms. Sue**, Monday, November 2, 2009 at 5:09pm
You're welcome.

- Math -
**karm**, Sunday, July 3, 2011 at 2:45pm
7/8divided 5/6 write answer lowest terms

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