Subtract 2/12 from 28/81
28/81 - 2/12 is 29/162.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 12 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
28/81 = 28 × 4/81 × 4 = 112/324 - Likewise, for the 2nd fraction, since 12 × 27 = 324,
2/12 = 2 × 27/12 × 27 = 54/324 - Subtract the two like fractions:
112/324 - 54/324 = 112 - 54/324 = 58/324 - After reducing the fraction, the answer is 29/162
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