Compare 21/8 and 98/30
1st number: 2 5/8, 2nd number: 3 8/30
21/8 is smaller than 98/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
21/8 = 21 × 15/8 × 15 = 315/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
98/30 = 98 × 4/30 × 4 = 392/120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 315/120 < 392/120 or 21/8 < 98/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/8 and 98/30 21/16 and 98/30 21/8 and 98/60 63/8 and 98/30 21/24 and 98/30 21/8 and 98/90 21/40 and 98/30 21/56 and 98/30