Compare 45/98 and 21/12
1st number: 45/98, 2nd number: 1 9/12
45/98 is smaller than 21/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 12 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 98 × 6 = 588,
45/98 = 45 × 6/98 × 6 = 270/588 - Likewise, for the 2nd fraction, since 12 × 49 = 588,
21/12 = 21 × 49/12 × 49 = 1029/588 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 270/588 < 1029/588 or 45/98 < 21/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/98 and 21/12 45/98 and 42/12 45/98 and 21/24 45/98 and 63/12 45/98 and 21/36 45/98 and 21/60 45/98 and 21/84