Compare 21/30 and 8/14
21/30 is greater than 8/14
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
21/30 = 21 × 7/30 × 7 = 147/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
8/14 = 8 × 15/14 × 15 = 120/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 147/210 > 120/210 or 21/30 > 8/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/30 and 8/14 21/30 and 16/14 21/60 and 8/14 21/30 and 8/28 63/30 and 8/14 21/30 and 24/14 21/90 and 8/14 21/30 and 8/42 21/30 and 40/14 21/30 and 8/70 21/30 and 56/14 21/30 and 8/98