Compare 90/84 and 20/16
1st number: 1 6/84, 2nd number: 1 4/16
90/84 is smaller than 20/16
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 84 × 4 = 336,
90/84 = 90 × 4/84 × 4 = 360/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
20/16 = 20 × 21/16 × 21 = 420/336 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 360/336 < 420/336 or 90/84 < 20/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/84 and 40/16 90/84 and 20/32 90/84 and 60/16 90/84 and 20/48 90/84 and 20/80