Compare 12/81 and 4/7
12/81 is smaller than 4/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 7 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
12/81 = 12 × 7/81 × 7 = 84/567 - Likewise, for the 2nd fraction, since 7 × 81 = 567,
4/7 = 4 × 81/7 × 81 = 324/567 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 84/567 < 324/567 or 12/81 < 4/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/81 and 4/7 12/81 and 8/7 12/81 and 4/14 36/81 and 4/7 12/81 and 12/7 12/81 and 4/21 60/81 and 4/7 12/81 and 20/7 12/81 and 4/35 84/81 and 4/7 12/81 and 28/7 12/81 and 4/49