Compare 20/30 and 84/98
20/30 is smaller than 84/98
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 98 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 30 × 49 = 1470,
20/30 = 20 × 49/30 × 49 = 980/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
84/98 = 84 × 15/98 × 15 = 1260/1470 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 980/1470 < 1260/1470 or 20/30 < 84/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/30 and 84/98 20/60 and 84/98 60/30 and 84/98 20/90 and 84/98