Compare 12/18 and 7/90
12/18 is greater than 7/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
12/18 = 12 × 5/18 × 5 = 60/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
7/90 = 7 × 1/90 × 1 = 7/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 60/90 > 7/90 or 12/18 > 7/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/18 and 7/90 12/18 and 14/90 12/36 and 7/90 36/18 and 7/90 12/18 and 21/90 12/54 and 7/90 60/18 and 7/90 12/18 and 35/90 12/90 and 7/90 84/18 and 7/90 12/18 and 49/90