Subtract 7/81 from 12/25
12/25 - 7/81 is 797/2025.
Steps for subtracting 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,
12/25 = 12 × 81/25 × 81 = 972/2025 - Likewise, for the 2nd fraction, since 81 × 25 = 2025,
7/81 = 7 × 25/81 × 25 = 175/2025 - Subtract the two like fractions:
972/2025 - 175/2025 = 972 - 175/2025 = 797/2025
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