Subtract 27/18 from 20/2
1st number: 10 0/2, 2nd number: 1 9/18
20/2 - 27/18 is 17/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
20/2 = 20 × 9/2 × 9 = 180/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
27/18 = 27 × 1/18 × 1 = 27/18 - Subtract the two like fractions:
180/18 - 27/18 = 180 - 27/18 = 153/18 - After reducing the fraction, the answer is 17/2
- In mixed form: 81/2
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