Compare 20/28 and 18/9
1st number: 20/28, 2nd number: 2 0/9
20/28 is smaller than 18/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
20/28 = 20 × 9/28 × 9 = 180/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
18/9 = 18 × 28/9 × 28 = 504/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 180/252 < 504/252 or 20/28 < 18/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/28 and 18/9 20/28 and 36/9 20/56 and 18/9 60/28 and 18/9 20/28 and 54/9 20/84 and 18/9 20/28 and 18/27 20/28 and 90/9 20/28 and 18/45 20/28 and 18/63