Subtract 3/81 from 12/25, Solve 12/25

Subtract 3/81 from 12/25

12/25 - 3/81 is 299/675.

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,
12/25 = 12 × 81/25 × 81 = 972/2025
Likewise, for the 2nd fraction, since 81 × 25 = 2025,
3/81 = 3 × 25/81 × 25 = 75/2025
Subtract the two like fractions:
972/2025 - 75/2025 = 972 - 75/2025 = 897/2025
After reducing the fraction, the answer is 299/675

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