Asked by jim

3/4-1/3z=1/4

5/6c-2/3c=1/3

please show step by step

Thanks! I now the ans for the first one is 3/2 but how did you work it out?
Answered by Reiny
here are the step by steps for the first one:
http://www.jiskha.com/display.cgi?id=1317595535

now do the same thing for the 2nd.

hint: what is the LCD for 5/6, 2/3, and 1/3 ?
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