Compare 18/50 and 8/20
18/50 is smaller than 8/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 50 × 2 = 100,
18/50 = 18 × 2/50 × 2 = 36/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
8/20 = 8 × 5/20 × 5 = 40/100 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 36/100 < 40/100 or 18/50 < 8/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/50 and 8/20 18/50 and 16/20 18/50 and 8/40 54/50 and 8/20 18/50 and 24/20 18/50 and 8/60 90/50 and 8/20 18/50 and 40/20 18/50 and 56/20