Compare 2/20 and 3/72
2/20 is greater than 3/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 20 × 18 = 360,
2/20 = 2 × 18/20 × 18 = 36/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
3/72 = 3 × 5/72 × 5 = 15/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 36/360 > 15/360 or 2/20 > 3/72
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 3/72 2/20 and 6/72 2/40 and 3/72 6/20 and 3/72 2/20 and 9/72 2/60 and 3/72 10/20 and 3/72 2/20 and 15/72 14/20 and 3/72 2/20 and 21/72