Compare 15/49 and 80/30
1st number: 15/49, 2nd number: 2 20/30
15/49 is smaller than 80/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 30 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 49 × 30 = 1470,
15/49 = 15 × 30/49 × 30 = 450/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
80/30 = 80 × 49/30 × 49 = 3920/1470 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 450/1470 < 3920/1470 or 15/49 < 80/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/49 and 80/30 15/98 and 80/30 15/49 and 80/60 45/49 and 80/30 15/49 and 80/90 75/49 and 80/30