Compare 20/90 and 5/8
20/90 is smaller than 5/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
20/90 = 20 × 4/90 × 4 = 80/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
5/8 = 5 × 45/8 × 45 = 225/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 80/360 < 225/360 or 20/90 < 5/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/90 and 5/8 20/90 and 10/8 20/90 and 5/16 60/90 and 5/8 20/90 and 15/8 20/90 and 5/24 20/90 and 25/8 20/90 and 5/40 20/90 and 35/8 20/90 and 5/56