Compare 40/18 and 20/28
1st number: 2 4/18, 2nd number: 20/28
40/18 is greater than 20/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
40/18 = 40 × 14/18 × 14 = 560/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
20/28 = 20 × 9/28 × 9 = 180/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 560/252 > 180/252 or 40/18 > 20/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18 and 20/28 40/18 and 40/28 40/36 and 20/28 40/18 and 20/56 40/18 and 60/28 40/54 and 20/28 40/18 and 20/84 40/90 and 20/28