Compare 18/84 and 81/28
1st number: 18/84, 2nd number: 2 25/28
18/84 is smaller than 81/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
18/84 = 18 × 1/84 × 1 = 18/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
81/28 = 81 × 3/28 × 3 = 243/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 18/84 < 243/84 or 18/84 < 81/28
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