Answers

Subtract 60/81 from 40/75

40/75 - 60/81 is -28/135.

Steps for subtracting fractions

1. 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
2. For the 1st fraction, since 75 × 27 = 2025,
   40/75 = 40 × 27/75 × 27 = 1080/2025
3. Likewise, for the 2nd fraction, since 81 × 25 = 2025,
   60/81 = 60 × 25/81 × 25 = 1500/2025
4. Subtract the two like fractions:
   1080/2025 - 1500/2025 = 1080 - 1500/2025 = -420/2025
5. After reducing the fraction, the answer is -28/135

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