Subtract 18/6 from 45/81
1st number: 45/81, 2nd number: 3 0/6
45/81 - 18/6 is -22/9.
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,
45/81 = 45 × 2/81 × 2 = 90/162 - Likewise, for the 2nd fraction, since 6 × 27 = 162,
18/6 = 18 × 27/6 × 27 = 486/162 - Subtract the two like fractions:
90/162 - 486/162 = 90 - 486/162 = -396/162 - After reducing the fraction, the answer is -22/9
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