Compare 50/21 and 4/15
1st number: 2 8/21, 2nd number: 4/15
50/21 is greater than 4/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 15 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 21 × 5 = 105,
50/21 = 50 × 5/21 × 5 = 250/105 - Likewise, for the 2nd fraction, since 15 × 7 = 105,
4/15 = 4 × 7/15 × 7 = 28/105 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 250/105 > 28/105 or 50/21 > 4/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/21 and 8/15 50/42 and 4/15 50/21 and 4/30 50/21 and 12/15 50/63 and 4/15 50/21 and 4/45 50/21 and 20/15 50/21 and 4/75 50/21 and 28/15