Compare 49/45 and 8/21
1st number: 1 4/45, 2nd number: 8/21
49/45 is greater than 8/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 21 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
49/45 = 49 × 7/45 × 7 = 343/315 - Likewise, for the 2nd fraction, since 21 × 15 = 315,
8/21 = 8 × 15/21 × 15 = 120/315 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 343/315 > 120/315 or 49/45 > 8/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/45 and 8/21 49/45 and 16/21 49/90 and 8/21 49/45 and 8/42 49/45 and 24/21 49/45 and 8/63 49/45 and 40/21 49/45 and 56/21