Compare 42/21 and 24/56
1st number: 2 0/21, 2nd number: 24/56
42/21 is greater than 24/56
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
42/21 = 42 × 8/21 × 8 = 336/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
24/56 = 24 × 3/56 × 3 = 72/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 336/168 > 72/168 or 42/21 > 24/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/21 and 24/56 42/21 and 48/56 42/21 and 72/56 42/63 and 24/56