Subtract 4/9 from 75/81
75/81 - 4/9 is 13/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 9 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 81 × 1 = 81,
75/81 = 75 × 1/81 × 1 = 75/81 - Likewise, for the 2nd fraction, since 9 × 9 = 81,
4/9 = 4 × 9/9 × 9 = 36/81 - Subtract the two like fractions:
75/81 - 36/81 = 75 - 36/81 = 39/81 - After reducing the fraction, the answer is 13/27
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