Compare 7/45 and 28/12
1st number: 7/45, 2nd number: 2 4/12
7/45 is smaller than 28/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
7/45 = 7 × 4/45 × 4 = 28/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
28/12 = 28 × 15/12 × 15 = 420/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 28/180 < 420/180 or 7/45 < 28/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/45 and 28/12 7/45 and 56/12 7/90 and 28/12 7/45 and 28/24 21/45 and 28/12 7/45 and 84/12 7/45 and 28/36 35/45 and 28/12 7/45 and 28/60 49/45 and 28/12 7/45 and 28/84