Compare 4/20 and 3/28
4/20 is greater than 3/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
4/20 = 4 × 7/20 × 7 = 28/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
3/28 = 3 × 5/28 × 5 = 15/140 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 28/140 > 15/140 or 4/20 > 3/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/20 and 3/28 4/20 and 6/28 4/40 and 3/28 4/20 and 3/56 12/20 and 3/28 4/20 and 9/28 4/60 and 3/28 4/20 and 3/84 4/20 and 15/28 28/20 and 3/28 4/20 and 21/28