Compare 36/49 and 21/30
36/49 is greater than 21/30
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,
36/49 = 36 × 30/49 × 30 = 1080/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
21/30 = 21 × 49/30 × 49 = 1029/1470 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1080/1470 > 1029/1470 or 36/49 > 21/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/49 and 21/30 36/49 and 42/30 36/98 and 21/30 36/49 and 21/60 36/49 and 63/30 36/49 and 21/90