Compare 21/30 and 98/8
1st number: 21/30, 2nd number: 12 2/8
21/30 is smaller than 98/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
21/30 = 21 × 4/30 × 4 = 84/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
98/8 = 98 × 15/8 × 15 = 1470/120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 84/120 < 1470/120 or 21/30 < 98/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/30 and 98/8 21/60 and 98/8 21/30 and 98/16 63/30 and 98/8 21/90 and 98/8 21/30 and 98/24 21/30 and 98/40 21/30 and 98/56