Compare 81/5 and 9/42
1st number: 16 1/5, 2nd number: 9/42
81/5 is greater than 9/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
81/5 = 81 × 42/5 × 42 = 3402/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
9/42 = 9 × 5/42 × 5 = 45/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 3402/210 > 45/210 or 81/5 > 9/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/5 and 18/42 81/10 and 9/42 81/5 and 9/84 81/5 and 27/42 81/15 and 9/42 81/5 and 45/42 81/25 and 9/42 81/5 and 63/42 81/35 and 9/42