Compare 21/49 and 25/30
21/49 is smaller than 25/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 30 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 49 × 30 = 1470,
21/49 = 21 × 30/49 × 30 = 630/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
25/30 = 25 × 49/30 × 49 = 1225/1470 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 630/1470 < 1225/1470 or 21/49 < 25/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/49 and 25/30 21/49 and 50/30 21/98 and 25/30 21/49 and 25/60 63/49 and 25/30 21/49 and 75/30 21/49 and 25/90