Subtract 27/81 from 30/2
1st number: 15 0/2, 2nd number: 27/81
30/2 - 27/81 is 44/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 2 × 81 = 162,
30/2 = 30 × 81/2 × 81 = 2430/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
27/81 = 27 × 2/81 × 2 = 54/162 - Subtract the two like fractions:
2430/162 - 54/162 = 2430 - 54/162 = 2376/162 - After reducing the fraction, the answer is 44/3
- In mixed form: 142/3
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