Compare 5/20 and 10/30
5/20 is smaller than 10/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
5/20 = 5 × 3/20 × 3 = 15/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
10/30 = 10 × 2/30 × 2 = 20/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 15/60 < 20/60 or 5/20 < 10/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20 and 10/30 5/20 and 20/30 5/40 and 10/30 5/20 and 10/60 15/20 and 10/30 5/60 and 10/30 5/20 and 10/90 25/20 and 10/30 5/20 and 50/30 35/20 and 10/30 5/20 and 70/30