Compare 28/60 and 7/21
28/60 is greater than 7/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
28/60 = 28 × 7/60 × 7 = 196/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
7/21 = 7 × 20/21 × 20 = 140/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 196/420 > 140/420 or 28/60 > 7/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/60 and 7/21 28/60 and 14/21 28/60 and 7/42 84/60 and 7/21 28/60 and 7/63 28/60 and 35/21 28/60 and 49/21