Compare 27/20 and 90/5
1st number: 1 7/20, 2nd number: 18 0/5
27/20 is smaller than 90/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
27/20 = 27 × 1/20 × 1 = 27/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
90/5 = 90 × 4/5 × 4 = 360/20 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 27/20 < 360/20 or 27/20 < 90/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20 and 90/5 27/40 and 90/5 27/20 and 90/10 81/20 and 90/5 27/60 and 90/5 27/20 and 90/15 27/20 and 90/25 27/20 and 90/35