Algebra 1

Example: $\frac{9}{2y+4} - \frac{5}{2y+4} =\frac{9-5}{2y+4} = \frac{4}{2y+4}$ Now we can reduce the fraction by factoring out 2 from the denominator and dividing: $\frac{4}{2y+4} = \frac{4}{2(y+2)} = \frac{2}{y+2}$