Compare 80/36 and 40/15
1st number: 2 8/36, 2nd number: 2 10/15
80/36 is smaller than 40/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 15 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
80/36 = 80 × 5/36 × 5 = 400/180 - Likewise, for the 2nd fraction, since 15 × 12 = 180,
40/15 = 40 × 12/15 × 12 = 480/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 400/180 < 480/180 or 80/36 < 40/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/36 and 80/15 80/72 and 40/15 80/36 and 40/30 80/36 and 40/45 80/36 and 40/75