Compare 28/7 and 21/16
1st number: 4 0/7, 2nd number: 1 5/16
28/7 is greater than 21/16
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 7 × 16 = 112,
28/7 = 28 × 16/7 × 16 = 448/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
21/16 = 21 × 7/16 × 7 = 147/112 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 448/112 > 147/112 or 28/7 > 21/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/7 and 21/16 28/7 and 42/16 28/14 and 21/16 28/7 and 21/32 84/7 and 21/16 28/7 and 63/16 28/21 and 21/16 28/7 and 21/48 28/35 and 21/16 28/7 and 21/80 28/49 and 21/16