Asked by GGIFT

If you are subtracting fractions like
8-y over y-4 MINUS 7y-9 over 4-y...
will the LCD be y-4?

I'm stuck on this!!
Answered by FredR
yes, it could be. You just need to change the sign, so you would have

8-y over y-4 PLUS 7y-9 over y-4
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