Compare 8/72 and 21/12
1st number: 8/72, 2nd number: 1 9/12
8/72 is smaller than 21/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 12 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
8/72 = 8 × 1/72 × 1 = 8/72 - Likewise, for the 2nd fraction, since 12 × 6 = 72,
21/12 = 21 × 6/12 × 6 = 126/72 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 8/72 < 126/72 or 8/72 < 21/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/72 and 21/12 8/72 and 42/12 8/72 and 21/24 24/72 and 21/12 8/72 and 63/12 8/72 and 21/36 40/72 and 21/12 8/72 and 21/60 56/72 and 21/12 8/72 and 21/84