Compare 10/14 and 21/30
10/14 is greater than 21/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
10/14 = 10 × 15/14 × 15 = 150/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
21/30 = 21 × 7/30 × 7 = 147/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 150/210 > 147/210 or 10/14 > 21/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/14 and 21/30 10/14 and 42/30 10/28 and 21/30 10/14 and 21/60 30/14 and 21/30 10/14 and 63/30 10/42 and 21/30 10/14 and 21/90 50/14 and 21/30 10/70 and 21/30 70/14 and 21/30 10/98 and 21/30