Compare 45/30 and 81/14
1st number: 1 15/30, 2nd number: 5 11/14
45/30 is smaller than 81/14
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
45/30 = 45 × 7/30 × 7 = 315/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
81/14 = 81 × 15/14 × 15 = 1215/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 315/210 < 1215/210 or 45/30 < 81/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30 and 81/14 45/60 and 81/14 45/30 and 81/28 45/90 and 81/14 45/30 and 81/42 45/30 and 81/70 45/30 and 81/98