Compare 49/21 and 8/30
1st number: 2 7/21, 2nd number: 8/30
49/21 is greater than 8/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
49/21 = 49 × 10/21 × 10 = 490/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
8/30 = 8 × 7/30 × 7 = 56/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 490/210 > 56/210 or 49/21 > 8/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/21 and 8/30 49/21 and 16/30 49/42 and 8/30 49/21 and 8/60 49/21 and 24/30 49/63 and 8/30 49/21 and 8/90 49/21 and 40/30 49/21 and 56/30