Compare 21/7 and 7/36
1st number: 3 0/7, 2nd number: 7/36
21/7 is greater than 7/36
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 7 × 36 = 252,
21/7 = 21 × 36/7 × 36 = 756/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
7/36 = 7 × 7/36 × 7 = 49/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 756/252 > 49/252 or 21/7 > 7/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/7 and 7/36 21/7 and 14/36 21/14 and 7/36 21/7 and 7/72 63/7 and 7/36 21/7 and 21/36 21/7 and 35/36 21/35 and 7/36 21/7 and 49/36 21/49 and 7/36