Compare 7/9 and 15/81
7/9 is greater than 15/81
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,
7/9 = 7 × 9/9 × 9 = 63/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
15/81 = 15 × 1/81 × 1 = 15/81 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 63/81 > 15/81 or 7/9 > 15/81
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