Subtract 20/18 from 27/2
1st number: 13 1/2, 2nd number: 1 2/18
27/2 - 20/18 is 223/18.
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,
27/2 = 27 × 9/2 × 9 = 243/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
20/18 = 20 × 1/18 × 1 = 20/18 - Subtract the two like fractions:
243/18 - 20/18 = 243 - 20/18 = 223/18 - In mixed form: 127/18
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