Compare 18/15 and 63/12
1st number: 1 3/15, 2nd number: 5 3/12
18/15 is smaller than 63/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
18/15 = 18 × 4/15 × 4 = 72/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
63/12 = 63 × 5/12 × 5 = 315/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 72/60 < 315/60 or 18/15 < 63/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/15 and 63/12 18/30 and 63/12 18/15 and 63/24 54/15 and 63/12 18/45 and 63/12 18/15 and 63/36 90/15 and 63/12 18/75 and 63/12 18/15 and 63/60 18/15 and 63/84