Compare 30/28 and 20/16
1st number: 1 2/28, 2nd number: 1 4/16
30/28 is smaller than 20/16
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 28 × 4 = 112,
30/28 = 30 × 4/28 × 4 = 120/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
20/16 = 20 × 7/16 × 7 = 140/112 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 120/112 < 140/112 or 30/28 < 20/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28 and 20/16 30/28 and 40/16 30/56 and 20/16 30/28 and 20/32 90/28 and 20/16 30/28 and 60/16 30/84 and 20/16 30/28 and 20/48 30/28 and 20/80