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Mathematics 18 Online
OpenStudy (anonymous):

How would you subtract 29 over 35 and 5 over 14?

OpenStudy (anonymous):

Find the common denominator first.

OpenStudy (anonymous):

you find a common denominator ( bottom number ) and then subract.

OpenStudy (anonymous):

common denominator is 140.

OpenStudy (anonymous):

The answer is 33 over 70.

OpenStudy (anonymous):

common denominator is 70...

OpenStudy (anonymous):

lcd is 70. Common denominator is still 140 just not the least =P

OpenStudy (anonymous):

Yea I know.

OpenStudy (anonymous):

good work though.

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