Compare 18/9 and 28/81
1st number: 2 0/9, 2nd number: 28/81
18/9 is greater than 28/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 9 × 9 = 81,
18/9 = 18 × 9/9 × 9 = 162/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
28/81 = 28 × 1/81 × 1 = 28/81 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 162/81 > 28/81 or 18/9 > 28/81
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