Compare 4/30 and 6/90
4/30 is greater than 6/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
4/30 = 4 × 3/30 × 3 = 12/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
6/90 = 6 × 1/90 × 1 = 6/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 12/90 > 6/90 or 4/30 > 6/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/30 and 6/90 4/30 and 12/90 4/60 and 6/90 12/30 and 6/90 4/30 and 18/90 4/90 and 6/90 20/30 and 6/90 4/30 and 30/90 28/30 and 6/90 4/30 and 42/90