Compare 21/25 and 3/63
21/25 is greater than 3/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 63 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 25 × 63 = 1575,
21/25 = 21 × 63/25 × 63 = 1323/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
3/63 = 3 × 25/63 × 25 = 75/1575 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1323/1575 > 75/1575 or 21/25 > 3/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/25 and 3/63 21/25 and 6/63 21/50 and 3/63 63/25 and 3/63 21/25 and 9/63 21/75 and 3/63 21/25 and 15/63 21/25 and 21/63