Compare 4/20 and 9/28
4/20 is smaller than 9/28
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,
9/28 = 9 × 5/28 × 5 = 45/140 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 28/140 < 45/140 or 4/20 < 9/28
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 9/28 4/20 and 18/28 4/40 and 9/28 4/20 and 9/56 12/20 and 9/28 4/20 and 27/28 4/60 and 9/28 4/20 and 9/84 4/20 and 45/28 28/20 and 9/28 4/20 and 63/28