Compare 1/63 and 21/12
1st number: 1/63, 2nd number: 1 9/12
1/63 is smaller than 21/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
1/63 = 1 × 4/63 × 4 = 4/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
21/12 = 21 × 21/12 × 21 = 441/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 4/252 < 441/252 or 1/63 < 21/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/63 and 21/12 1/63 and 42/12 1/63 and 21/24 3/63 and 21/12 1/63 and 63/12 1/63 and 21/36 5/63 and 21/12 1/63 and 21/60 7/63 and 21/12 1/63 and 21/84