Compare 2/30 and 7/20
2/30 is smaller than 7/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
2/30 = 2 × 2/30 × 2 = 4/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
7/20 = 7 × 3/20 × 3 = 21/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 4/60 < 21/60 or 2/30 < 7/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30 and 7/20 2/30 and 14/20 2/60 and 7/20 2/30 and 7/40 6/30 and 7/20 2/30 and 21/20 2/90 and 7/20 2/30 and 7/60 10/30 and 7/20 2/30 and 35/20 14/30 and 7/20 2/30 and 49/20