Compare 20/50 and 1/30
20/50 is greater than 1/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 50 × 3 = 150,
20/50 = 20 × 3/50 × 3 = 60/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
1/30 = 1 × 5/30 × 5 = 5/150 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 60/150 > 5/150 or 20/50 > 1/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/50 and 1/30 20/50 and 2/30 20/50 and 1/60 60/50 and 1/30 20/50 and 3/30 20/50 and 1/90 20/50 and 5/30 20/50 and 7/30