Compare 27/30 and 20/27
27/30 is greater than 20/27
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
27/30 = 27 × 9/30 × 9 = 243/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
20/27 = 20 × 10/27 × 10 = 200/270 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 243/270 > 200/270 or 27/30 > 20/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/30 and 20/27 27/30 and 40/27 27/60 and 20/27 27/30 and 20/54 81/30 and 20/27 27/30 and 60/27 27/90 and 20/27 27/30 and 20/81