Compare 21/3 and 63/5
1st number: 7 0/3, 2nd number: 12 3/5
21/3 is smaller than 63/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
21/3 = 21 × 5/3 × 5 = 105/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
63/5 = 63 × 3/5 × 3 = 189/15 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 105/15 < 189/15 or 21/3 < 63/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/3 and 63/5 21/6 and 63/5 21/3 and 63/10 63/3 and 63/5 21/9 and 63/5 21/3 and 63/15 21/15 and 63/5 21/3 and 63/25 21/3 and 63/35