Compare 21/80 and 14/36
21/80 is smaller than 14/36
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 36 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
21/80 = 21 × 9/80 × 9 = 189/720 - Likewise, for the 2nd fraction, since 36 × 20 = 720,
14/36 = 14 × 20/36 × 20 = 280/720 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 189/720 < 280/720 or 21/80 < 14/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/80 and 14/36 21/80 and 28/36 21/80 and 14/72 63/80 and 14/36 21/80 and 42/36 21/80 and 70/36 21/80 and 98/36