Compare 15/30 and 70/28
1st number: 15/30, 2nd number: 2 14/28
15/30 is smaller than 70/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
15/30 = 15 × 14/30 × 14 = 210/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
70/28 = 70 × 15/28 × 15 = 1050/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 210/420 < 1050/420 or 15/30 < 70/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/60 and 70/28 15/30 and 70/56 45/30 and 70/28 15/90 and 70/28 15/30 and 70/84 75/30 and 70/28