Compare 30/12 and 48/45
1st number: 2 6/12, 2nd number: 1 3/45
30/12 is greater 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,
30/12 = 30 × 15/12 × 15 = 450/180 - 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
- 450/180 > 192/180 or 30/12 > 48/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12 and 48/45 30/12 and 96/45 30/24 and 48/45 30/12 and 48/90 90/12 and 48/45 30/36 and 48/45 30/60 and 48/45 30/84 and 48/45