Compare 20/9 and 7/81
1st number: 2 2/9, 2nd number: 7/81
20/9 is greater than 7/81
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,
20/9 = 20 × 9/9 × 9 = 180/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
7/81 = 7 × 1/81 × 1 = 7/81 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 180/81 > 7/81 or 20/9 > 7/81
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