Compare 7/28 and 10/20
7/28 is smaller than 10/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
7/28 = 7 × 5/28 × 5 = 35/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
10/20 = 10 × 7/20 × 7 = 70/140 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 35/140 < 70/140 or 7/28 < 10/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28 and 10/20 7/56 and 10/20 7/28 and 10/40 21/28 and 10/20 7/28 and 30/20 7/84 and 10/20 7/28 and 10/60 35/28 and 10/20 7/28 and 50/20 49/28 and 10/20 7/28 and 70/20