Compare 3/8 and 84/90
3/8 is smaller than 84/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
3/8 = 3 × 45/8 × 45 = 135/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
84/90 = 84 × 4/90 × 4 = 336/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 135/360 < 336/360 or 3/8 < 84/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8 and 84/90 3/16 and 84/90 9/8 and 84/90 3/24 and 84/90 15/8 and 84/90 3/40 and 84/90 21/8 and 84/90 3/56 and 84/90