Compare 21/15 and 5/54
1st number: 1 6/15, 2nd number: 5/54
21/15 is greater than 5/54
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
21/15 = 21 × 18/15 × 18 = 378/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
5/54 = 5 × 5/54 × 5 = 25/270 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 378/270 > 25/270 or 21/15 > 5/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/15 and 5/54 21/15 and 10/54 21/30 and 5/54 63/15 and 5/54 21/15 and 15/54 21/45 and 5/54 21/15 and 25/54 21/75 and 5/54 21/15 and 35/54