Compare 20/25 and 12/81
20/25 is greater than 12/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 81 is 2025
Next, find the equivalent fraction of both fractional numbers with denominator 2025 - For the 1st fraction, since 25 × 81 = 2025,
20/25 = 20 × 81/25 × 81 = 1620/2025 - Likewise, for the 2nd fraction, since 81 × 25 = 2025,
12/81 = 12 × 25/81 × 25 = 300/2025 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1620/2025 > 300/2025 or 20/25 > 12/81
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