The answer is yes, 20/40 can be reduced to 1/2. One by one simplification: 20/40, 10/20, 5/10, 1/2. Or Find the Greatest Common Factor (GCF) of 20 and 40, if it exists, and reduce the fraction by dividing both numerator and denominator by it. GCF = 20
20/20=1 40/20=2
1/2