Subtract 27/81 from 12/2
1st number: 6 0/2, 2nd number: 27/81
12/2 - 27/81 is 17/3.
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,
12/2 = 12 × 81/2 × 81 = 972/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
27/81 = 27 × 2/81 × 2 = 54/162 - Subtract the two like fractions:
972/162 - 54/162 = 972 - 54/162 = 918/162 - After reducing the fraction, the answer is 17/3
- In mixed form: 52/3
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