Compare 81/5 and 21/54
1st number: 16 1/5, 2nd number: 21/54
81/5 is greater than 21/54
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 5 × 54 = 270,
81/5 = 81 × 54/5 × 54 = 4374/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
21/54 = 21 × 5/54 × 5 = 105/270 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 4374/270 > 105/270 or 81/5 > 21/54
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