Compare 72/98 and 30/20
1st number: 72/98, 2nd number: 1 10/20
72/98 is smaller than 30/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 98 × 10 = 980,
72/98 = 72 × 10/98 × 10 = 720/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
30/20 = 30 × 49/20 × 49 = 1470/980 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 720/980 < 1470/980 or 72/98 < 30/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/98 and 60/20 72/98 and 30/40 72/98 and 90/20 72/98 and 30/60