Saturday

April 19, 2014

April 19, 2014

Posted by **p** on Thursday, September 17, 2009 at 10:37am.

- math -
**Ms. Sue**, Thursday, September 17, 2009 at 11:07am1/3 = 7/21

2/7 = 6/21

7/21 + 6/21 = 13/21

21/21 - 13/21 = ?

**Related Questions**

math - jon spent 1/2 of his study time doing math homework and 2/7 proparing for...

math - please check and see if my answers are correct if not let me know so i ...

math - the least common multiple of 3, 6,9 i say 18 Sheila practiced hours ...

math - please check my answers 1.which is smallest 5/8,3/4,9/16,7/8 =9/16 2....

math115 - which numbers are prime numbers 37,39,41,43 answer 37,41,43 John spent...

math - janet spent 1/3 of study time on one subject and 2/7 on another subject. ...

math - Arrange the fractions in order from smallest to largest. , , , 5/8,3/4,9/...

Algebra - Mitch has 3 tests to study for on Thursday night. He needs to spend ...

Math - There are 21 pupils who study Maths, 29 pupils who study french, 26 ...

pschology - An article published in the "New York Times" reported the results of...