Subtract 5/81 from 16/12
1st number: 1 4/12, 2nd number: 5/81
16/12 - 5/81 is 103/81.
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,
16/12 = 16 × 27/12 × 27 = 432/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
5/81 = 5 × 4/81 × 4 = 20/324 - Subtract the two like fractions:
432/324 - 20/324 = 432 - 20/324 = 412/324 - After reducing the fraction, the answer is 103/81
- In mixed form: 122/81
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