Subtract 15/6 from 16/81
1st number: 16/81, 2nd number: 2 3/6
16/81 - 15/6 is -373/162.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 6 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 81 × 2 = 162,
16/81 = 16 × 2/81 × 2 = 32/162 - Likewise, for the 2nd fraction, since 6 × 27 = 162,
15/6 = 15 × 27/6 × 27 = 405/162 - Subtract the two like fractions:
32/162 - 405/162 = 32 - 405/162 = -373/162
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