Compare 1/5 and 81/7
1st number: 1/5, 2nd number: 11 4/7
1/5 is smaller than 81/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
1/5 = 1 × 7/5 × 7 = 7/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
81/7 = 81 × 5/7 × 5 = 405/35 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 7/35 < 405/35 or 1/5 < 81/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/5 and 81/7 1/10 and 81/7 1/5 and 81/14 3/5 and 81/7 1/15 and 81/7 1/5 and 81/21 1/25 and 81/7 1/5 and 81/35 7/5 and 81/7 1/35 and 81/7 1/5 and 81/49