Compare 45/72 and 30/3
1st number: 45/72, 2nd number: 10 0/3
45/72 is smaller than 30/3
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 3 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
45/72 = 45 × 1/72 × 1 = 45/72 - Likewise, for the 2nd fraction, since 3 × 24 = 72,
30/3 = 30 × 24/3 × 24 = 720/72 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 45/72 < 720/72 or 45/72 < 30/3
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 30/3 45/72 and 60/3 45/72 and 30/6 45/72 and 90/3 45/72 and 30/9 45/72 and 30/15 45/72 and 30/21