Subtract 15/81 from 56/18
1st number: 3 2/18, 2nd number: 15/81
56/18 - 15/81 is 79/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 18 × 9 = 162,
56/18 = 56 × 9/18 × 9 = 504/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
15/81 = 15 × 2/81 × 2 = 30/162 - Subtract the two like fractions:
504/162 - 30/162 = 504 - 30/162 = 474/162 - After reducing the fraction, the answer is 79/27
- In mixed form: 225/27
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