Subtract 50/18 from 84/81
1st number: 1 3/81, 2nd number: 2 14/18
84/81 - 50/18 is -47/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 18 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 81 × 2 = 162,
84/81 = 84 × 2/81 × 2 = 168/162 - Likewise, for the 2nd fraction, since 18 × 9 = 162,
50/18 = 50 × 9/18 × 9 = 450/162 - Subtract the two like fractions:
168/162 - 450/162 = 168 - 450/162 = -282/162 - After reducing the fraction, the answer is -47/27
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