Compare 20/81 and 4/56
20/81 is greater than 4/56
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 56 is 4536
Next, find the equivalent fraction of both fractional numbers with denominator 4536 - For the 1st fraction, since 81 × 56 = 4536,
20/81 = 20 × 56/81 × 56 = 1120/4536 - Likewise, for the 2nd fraction, since 56 × 81 = 4536,
4/56 = 4 × 81/56 × 81 = 324/4536 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1120/4536 > 324/4536 or 20/81 > 4/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/81 and 4/56 20/81 and 8/56 60/81 and 4/56 20/81 and 12/56 20/81 and 20/56 20/81 and 28/56