Compare 63/2 and 21/20
1st number: 31 1/2, 2nd number: 1 1/20
63/2 is greater than 21/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
63/2 = 63 × 10/2 × 10 = 630/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
21/20 = 21 × 1/20 × 1 = 21/20 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 630/20 > 21/20 or 63/2 > 21/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/2 and 42/20 63/4 and 21/20 63/2 and 21/40 63/2 and 63/20 63/6 and 21/20 63/2 and 21/60 63/10 and 21/20 63/14 and 21/20