Compare 15/84 and 35/80
15/84 is smaller than 35/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 84 × 20 = 1680,
15/84 = 15 × 20/84 × 20 = 300/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
35/80 = 35 × 21/80 × 21 = 735/1680 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 300/1680 < 735/1680 or 15/84 < 35/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/84 and 35/80 15/84 and 70/80 45/84 and 35/80 75/84 and 35/80