Compare 45/20 and 30/3
1st number: 2 5/20, 2nd number: 10 0/3
45/20 is smaller than 30/3
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 3 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
45/20 = 45 × 3/20 × 3 = 135/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
30/3 = 30 × 20/3 × 20 = 600/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 135/60 < 600/60 or 45/20 < 30/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20 and 30/3 45/20 and 60/3 45/40 and 30/3 45/20 and 30/6 45/20 and 90/3 45/60 and 30/3 45/20 and 30/9 45/20 and 30/15 45/20 and 30/21