Compare 45/21 and 3/49
1st number: 2 3/21, 2nd number: 3/49
45/21 is greater than 3/49
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 49 is 147
Next, find the equivalent fraction of both fractional numbers with denominator 147 - For the 1st fraction, since 21 × 7 = 147,
45/21 = 45 × 7/21 × 7 = 315/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
3/49 = 3 × 3/49 × 3 = 9/147 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 315/147 > 9/147 or 45/21 > 3/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/21 and 3/49 45/21 and 6/49 45/42 and 3/49 45/21 and 3/98 45/21 and 9/49 45/63 and 3/49 45/21 and 15/49 45/21 and 21/49