Compare 2/40 and 4/81
2/40 is greater than 4/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 81 is 3240
Next, find the equivalent fraction of both fractional numbers with denominator 3240 - For the 1st fraction, since 40 × 81 = 3240,
2/40 = 2 × 81/40 × 81 = 162/3240 - Likewise, for the 2nd fraction, since 81 × 40 = 3240,
4/81 = 4 × 40/81 × 40 = 160/3240 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 162/3240 > 160/3240 or 2/40 > 4/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/40 and 4/81 2/40 and 8/81 2/80 and 4/81 6/40 and 4/81 2/40 and 12/81 10/40 and 4/81 2/40 and 20/81 14/40 and 4/81 2/40 and 28/81