Compare 45/72 and 48/28
1st number: 45/72, 2nd number: 1 20/28
45/72 is smaller than 48/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 28 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
45/72 = 45 × 7/72 × 7 = 315/504 - Likewise, for the 2nd fraction, since 28 × 18 = 504,
48/28 = 48 × 18/28 × 18 = 864/504 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 315/504 < 864/504 or 45/72 < 48/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/72 and 48/28 45/72 and 96/28 45/72 and 48/56 45/72 and 48/84