## Algebra: A Combined Approach (4th Edition)

To simplify the fraction, find common factors in the numerator and denominator. Write the numerator and the denominator as products of primes. $\frac{30}{60}=\frac{2*3*5}{2*2*3*5}=\frac{1}{2}\times\frac{2*3*5}{2*3*5}=\frac{1}{2}*1=\frac{1}{2}$