Subtract 3/81 from 25/35
25/35 - 3/81 is 128/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 81 is 2835
Next, find the equivalent fraction of both fractional numbers with denominator 2835 - For the 1st fraction, since 35 × 81 = 2835,
25/35 = 25 × 81/35 × 81 = 2025/2835 - Likewise, for the 2nd fraction, since 81 × 35 = 2835,
3/81 = 3 × 35/81 × 35 = 105/2835 - Subtract the two like fractions:
2025/2835 - 105/2835 = 2025 - 105/2835 = 1920/2835 - After reducing the fraction, the answer is 128/189
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