Compare 20/81 and 3/36
20/81 is greater than 3/36
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 36 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
20/81 = 20 × 4/81 × 4 = 80/324 - Likewise, for the 2nd fraction, since 36 × 9 = 324,
3/36 = 3 × 9/36 × 9 = 27/324 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 80/324 > 27/324 or 20/81 > 3/36
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