Subtract 12/81 from 80/75
1st number: 1 5/75, 2nd number: 12/81
80/75 - 12/81 is 124/135.
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,
80/75 = 80 × 27/75 × 27 = 2160/2025 - Likewise, for the 2nd fraction, since 81 × 25 = 2025,
12/81 = 12 × 25/81 × 25 = 300/2025 - Subtract the two like fractions:
2160/2025 - 300/2025 = 2160 - 300/2025 = 1860/2025 - After reducing the fraction, the answer is 124/135
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