Compare 80/81 and 18/50
80/81 is greater than 18/50
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 50 is 4050
Next, find the equivalent fraction of both fractional numbers with denominator 4050 - For the 1st fraction, since 81 × 50 = 4050,
80/81 = 80 × 50/81 × 50 = 4000/4050 - Likewise, for the 2nd fraction, since 50 × 81 = 4050,
18/50 = 18 × 81/50 × 81 = 1458/4050 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 4000/4050 > 1458/4050 or 80/81 > 18/50
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