Compare 3/12 and 48/45
1st number: 3/12, 2nd number: 1 3/45
3/12 is smaller than 48/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
3/12 = 3 × 15/12 × 15 = 45/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
48/45 = 48 × 4/45 × 4 = 192/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 45/180 < 192/180 or 3/12 < 48/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12 and 48/45 3/12 and 96/45 3/24 and 48/45 3/12 and 48/90 9/12 and 48/45 3/36 and 48/45 15/12 and 48/45 3/60 and 48/45 21/12 and 48/45 3/84 and 48/45