Compare 42/9 and 21/24
1st number: 4 6/9, 2nd number: 21/24
42/9 is greater than 21/24
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
42/9 = 42 × 8/9 × 8 = 336/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
21/24 = 21 × 3/24 × 3 = 63/72 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 336/72 > 63/72 or 42/9 > 21/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/9 and 21/24 42/9 and 42/24 42/18 and 21/24 42/9 and 21/48 42/9 and 63/24 42/27 and 21/24 42/9 and 21/72 42/45 and 21/24 42/63 and 21/24