Compare 5/15 and 80/10
1st number: 5/15, 2nd number: 8 0/10
5/15 is smaller than 80/10
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
5/15 = 5 × 2/15 × 2 = 10/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
80/10 = 80 × 3/10 × 3 = 240/30 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 10/30 < 240/30 or 5/15 < 80/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/15 and 80/10 5/30 and 80/10 5/15 and 80/20 5/45 and 80/10 5/15 and 80/30 25/15 and 80/10 5/75 and 80/10 5/15 and 80/50 35/15 and 80/10 5/15 and 80/70