Compare 10/12 and 81/42
1st number: 10/12, 2nd number: 1 39/42
10/12 is smaller than 81/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
10/12 = 10 × 7/12 × 7 = 70/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
81/42 = 81 × 2/42 × 2 = 162/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 70/84 < 162/84 or 10/12 < 81/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/12 and 81/42 10/24 and 81/42 10/12 and 81/84 30/12 and 81/42 10/36 and 81/42 50/12 and 81/42 10/60 and 81/42 70/12 and 81/42 10/84 and 81/42