Compare 9/45 and 18/28
9/45 is smaller than 18/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
9/45 = 9 × 28/45 × 28 = 252/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
18/28 = 18 × 45/28 × 45 = 810/1260 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 252/1260 < 810/1260 or 9/45 < 18/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/45 and 18/28 9/45 and 36/28 9/90 and 18/28 9/45 and 18/56 27/45 and 18/28 9/45 and 54/28 9/45 and 18/84 9/45 and 90/28 63/45 and 18/28