Compare 28/40 and 14/18
28/40 is smaller than 14/18
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,
28/40 = 28 × 9/40 × 9 = 252/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
14/18 = 14 × 20/18 × 20 = 280/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 252/360 < 280/360 or 28/40 < 14/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/40 and 14/18 28/40 and 28/18 28/80 and 14/18 28/40 and 14/36 84/40 and 14/18 28/40 and 42/18 28/40 and 14/54 28/40 and 70/18 28/40 and 14/90 28/40 and 98/18