Compare 18/56 and 16/81
18/56 is greater than 16/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 81 is 4536
Next, find the equivalent fraction of both fractional numbers with denominator 4536 - For the 1st fraction, since 56 × 81 = 4536,
18/56 = 18 × 81/56 × 81 = 1458/4536 - Likewise, for the 2nd fraction, since 81 × 56 = 4536,
16/81 = 16 × 56/81 × 56 = 896/4536 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1458/4536 > 896/4536 or 18/56 > 16/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/56 and 16/81 18/56 and 32/81 54/56 and 16/81 18/56 and 48/81 90/56 and 16/81 18/56 and 80/81