Compare 12/18 and 63/30
1st number: 12/18, 2nd number: 2 3/30
12/18 is smaller than 63/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 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 30 × 3 = 90,
63/30 = 63 × 3/30 × 3 = 189/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 60/90 < 189/90 or 12/18 < 63/30
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 63/30 12/36 and 63/30 12/18 and 63/60 36/18 and 63/30 12/54 and 63/30 12/18 and 63/90 60/18 and 63/30 12/90 and 63/30 84/18 and 63/30