Subtract 3/81 from 81/75
1st number: 1 6/75, 2nd number: 3/81
81/75 - 3/81 is 704/675.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 81 is 2025
Next, find the equivalent fraction of both fractional numbers with denominator 2025 - For the 1st fraction, since 75 × 27 = 2025,
81/75 = 81 × 27/75 × 27 = 2187/2025 - Likewise, for the 2nd fraction, since 81 × 25 = 2025,
3/81 = 3 × 25/81 × 25 = 75/2025 - Subtract the two like fractions:
2187/2025 - 75/2025 = 2187 - 75/2025 = 2112/2025 - After reducing the fraction, the answer is 704/675
- In mixed form: 129/675
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