Compare 8/36 and 21/20
1st number: 8/36, 2nd number: 1 1/20
8/36 is smaller than 21/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
8/36 = 8 × 5/36 × 5 = 40/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
21/20 = 21 × 9/20 × 9 = 189/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 40/180 < 189/180 or 8/36 < 21/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/36 and 21/20 8/36 and 42/20 8/72 and 21/20 8/36 and 21/40 24/36 and 21/20 8/36 and 63/20 8/36 and 21/60 40/36 and 21/20 56/36 and 21/20