Compare 40/81 and 5/40
40/81 is greater than 5/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 40 is 3240
Next, find the equivalent fraction of both fractional numbers with denominator 3240 - For the 1st fraction, since 81 × 40 = 3240,
40/81 = 40 × 40/81 × 40 = 1600/3240 - Likewise, for the 2nd fraction, since 40 × 81 = 3240,
5/40 = 5 × 81/40 × 81 = 405/3240 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1600/3240 > 405/3240 or 40/81 > 5/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/81 and 5/40 40/81 and 10/40 40/81 and 5/80 40/81 and 15/40 40/81 and 25/40 40/81 and 35/40