Compare 3/7 and 21/50
3/7 is greater than 21/50
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 7 × 50 = 350,
3/7 = 3 × 50/7 × 50 = 150/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
21/50 = 21 × 7/50 × 7 = 147/350 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 150/350 > 147/350 or 3/7 > 21/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/7 and 21/50 3/7 and 42/50 3/14 and 21/50 9/7 and 21/50 3/7 and 63/50 3/21 and 21/50 15/7 and 21/50 3/35 and 21/50 21/7 and 21/50 3/49 and 21/50