Subtract 25/81 from 10/12
10/12 - 25/81 is 85/162.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 12 × 27 = 324,
10/12 = 10 × 27/12 × 27 = 270/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
25/81 = 25 × 4/81 × 4 = 100/324 - Subtract the two like fractions:
270/324 - 100/324 = 270 - 100/324 = 170/324 - After reducing the fraction, the answer is 85/162
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