Compare 8/15 and 90/84
1st number: 8/15, 2nd number: 1 6/84
8/15 is smaller than 90/84
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
8/15 = 8 × 28/15 × 28 = 224/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
90/84 = 90 × 5/84 × 5 = 450/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 224/420 < 450/420 or 8/15 < 90/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/15 and 90/84 8/30 and 90/84 24/15 and 90/84 8/45 and 90/84 40/15 and 90/84 8/75 and 90/84 56/15 and 90/84