Compare 15/5 and 90/27
1st number: 3 0/5, 2nd number: 3 9/27
15/5 is smaller than 90/27
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 5 × 27 = 135,
15/5 = 15 × 27/5 × 27 = 405/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
90/27 = 90 × 5/27 × 5 = 450/135 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 405/135 < 450/135 or 15/5 < 90/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5 and 90/27 15/10 and 90/27 15/5 and 90/54 45/5 and 90/27 15/5 and 90/81 75/5 and 90/27 15/25 and 90/27 15/35 and 90/27