Compare 84/24 and 90/20
1st number: 3 12/24, 2nd number: 4 10/20
84/24 is smaller than 90/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 20 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
84/24 = 84 × 5/24 × 5 = 420/120 - Likewise, for the 2nd fraction, since 20 × 6 = 120,
90/20 = 90 × 6/20 × 6 = 540/120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 420/120 < 540/120 or 84/24 < 90/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/48 and 90/20 84/24 and 90/40 84/72 and 90/20 84/24 and 90/60