Compare 18/20 and 81/24
1st number: 18/20, 2nd number: 3 9/24
18/20 is smaller than 81/24
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 20 × 6 = 120,
18/20 = 18 × 6/20 × 6 = 108/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
81/24 = 81 × 5/24 × 5 = 405/120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 108/120 < 405/120 or 18/20 < 81/24
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