Compare 3/30 and 4/9
3/30 is smaller than 4/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
3/30 = 3 × 3/30 × 3 = 9/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
4/9 = 4 × 10/9 × 10 = 40/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 9/90 < 40/90 or 3/30 < 4/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/30 and 4/9 3/30 and 8/9 3/60 and 4/9 3/30 and 4/18 9/30 and 4/9 3/30 and 12/9 3/90 and 4/9 3/30 and 4/27 15/30 and 4/9 3/30 and 20/9 3/30 and 4/45 21/30 and 4/9 3/30 and 28/9 3/30 and 4/63