Compare 9/12 and 7/45
9/12 is greater than 7/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
9/12 = 9 × 15/12 × 15 = 135/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
7/45 = 7 × 4/45 × 4 = 28/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 135/180 > 28/180 or 9/12 > 7/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/12 and 7/45 9/12 and 14/45 9/24 and 7/45 9/12 and 7/90 27/12 and 7/45 9/12 and 21/45 9/36 and 7/45 45/12 and 7/45 9/12 and 35/45 9/60 and 7/45 63/12 and 7/45 9/12 and 49/45 9/84 and 7/45