When should we cross-multiply and take the L.C.M with properties while solving rational numbers?
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we will do cross multiplication if we have equation like:
x/y = a/b
means when '=' is in between ...
but we take LCM when they are in the form:
x/y +(or)- a/b
means when + or - sign is in between...
hope it helped....
x/y = a/b
means when '=' is in between ...
but we take LCM when they are in the form:
x/y +(or)- a/b
means when + or - sign is in between...
hope it helped....
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