Compare 2/20 and 16/18
2/20 is smaller than 16/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
2/20 = 2 × 9/20 × 9 = 18/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
16/18 = 16 × 10/18 × 10 = 160/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 18/180 < 160/180 or 2/20 < 16/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20 and 16/18 2/20 and 32/18 2/40 and 16/18 2/20 and 16/36 6/20 and 16/18 2/20 and 48/18 2/60 and 16/18 2/20 and 16/54 10/20 and 16/18 2/20 and 80/18 2/20 and 16/90 14/20 and 16/18