Compare 2/42 and 8/81
2/42 is smaller than 8/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 81 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 42 × 27 = 1134,
2/42 = 2 × 27/42 × 27 = 54/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
8/81 = 8 × 14/81 × 14 = 112/1134 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 54/1134 < 112/1134 or 2/42 < 8/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/42 and 8/81 2/42 and 16/81 2/84 and 8/81 6/42 and 8/81 2/42 and 24/81 10/42 and 8/81 2/42 and 40/81 14/42 and 8/81 2/42 and 56/81