Compare 1/2 and 3/9
12 is greater than 39
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
12 = 1 × 92 × 9 = 918 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
39 = 3 × 29 × 2 = 618 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 918 > 618 or 12 > 39
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 1/2 and 6/9 1/4 and 3/9 1/2 and 3/18 3/2 and 3/9 1/6 and 3/9 1/2 and 3/27 5/2 and 3/9 1/2 and 15/9 1/10 and 3/9 1/2 and 3/45 7/2 and 3/9 1/2 and 21/9 1/14 and 3/9 1/2 and 3/63