Question

Subtraction of Rational Expressions
x/4 - y/3

Answer 1

\[\frac{ x }{ 4 }-\frac{ y }{ 3 }\]

Answer 2

\[\frac{ a }{ b }-\frac{ c }{ d } = \frac{ ad-bc }{ bd }\]

Answer 3

But the book says a/c - b/c = a-b/c , so im confused...

Answer 4

Oh in the book's case the denominators are the SAME.