Compare 18/12 and 90/56
1st number: 1 6/12, 2nd number: 1 34/56
18/12 is smaller than 90/56
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 12 × 14 = 168,
18/12 = 18 × 14/12 × 14 = 252/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
90/56 = 90 × 3/56 × 3 = 270/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 252/168 < 270/168 or 18/12 < 90/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/12 and 90/56 18/24 and 90/56 54/12 and 90/56 18/36 and 90/56 90/12 and 90/56 18/60 and 90/56 18/84 and 90/56