Compare 30/90 and 30/8
1st number: 30/90, 2nd number: 3 6/8
30/90 is smaller than 30/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
30/90 = 30 × 4/90 × 4 = 120/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
30/8 = 30 × 45/8 × 45 = 1350/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 120/360 < 1350/360 or 30/90 < 30/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/90 and 30/8 30/90 and 60/8 30/90 and 30/16 30/90 and 90/8 30/90 and 30/24 30/90 and 30/40 30/90 and 30/56