to subtract c/d from a/b,we add the additive inverse of a/b to c/d
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(a/b to c/d)=a+b-c+d
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No.
What you want to do is subtract c/d from a/b for which you need to add the additive inverse of c/d to a/b
a/b + (-c/d) = a/b - c/d.
What you suggested was...
c/d + (-a/b) = c/d - a/b. Which is incorrect for the given question.
What you want to do is subtract c/d from a/b for which you need to add the additive inverse of c/d to a/b
a/b + (-c/d) = a/b - c/d.
What you suggested was...
c/d + (-a/b) = c/d - a/b. Which is incorrect for the given question.
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