Compare 42/20 and 14/21
1st number: 2 2/20, 2nd number: 14/21
42/20 is greater than 14/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
42/20 = 42 × 21/20 × 21 = 882/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
14/21 = 14 × 20/21 × 20 = 280/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 882/420 > 280/420 or 42/20 > 14/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20 and 14/21 42/20 and 28/21 42/40 and 14/21 42/20 and 14/42 42/20 and 42/21 42/60 and 14/21 42/20 and 14/63 42/20 and 70/21 42/20 and 98/21