Compare 27/40 and 28/18
1st number: 27/40, 2nd number: 1 10/18
27/40 is smaller than 28/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
27/40 = 27 × 9/40 × 9 = 243/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
28/18 = 28 × 20/18 × 20 = 560/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 243/360 < 560/360 or 27/40 < 28/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/40 and 28/18 27/40 and 56/18 27/80 and 28/18 27/40 and 28/36 81/40 and 28/18 27/40 and 84/18 27/40 and 28/54 27/40 and 28/90