Compare 2/7 and 21/36
2/7 is smaller than 21/36
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,
2/7 = 2 × 36/7 × 36 = 72/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
21/36 = 21 × 7/36 × 7 = 147/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 72/252 < 147/252 or 2/7 < 21/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/7 and 21/36 2/7 and 42/36 2/14 and 21/36 2/7 and 21/72 6/7 and 21/36 2/7 and 63/36 2/21 and 21/36 10/7 and 21/36 2/35 and 21/36 14/7 and 21/36 2/49 and 21/36