Compare 20/21 and 32/5
1st number: 20/21, 2nd number: 6 2/5
20/21 is smaller than 32/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 5 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 21 × 5 = 105,
20/21 = 20 × 5/21 × 5 = 100/105 - Likewise, for the 2nd fraction, since 5 × 21 = 105,
32/5 = 32 × 21/5 × 21 = 672/105 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 100/105 < 672/105 or 20/21 < 32/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/21 and 32/5 20/21 and 64/5 20/42 and 32/5 20/21 and 32/10 60/21 and 32/5 20/21 and 96/5 20/63 and 32/5 20/21 and 32/15 20/21 and 32/25 20/21 and 32/35