Subtract 28/18 from 81/6
1st number: 13 3/6, 2nd number: 1 10/18
81/6 - 28/18 is 215/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 6 × 3 = 18,
81/6 = 81 × 3/6 × 3 = 243/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
28/18 = 28 × 1/18 × 1 = 28/18 - Subtract the two like fractions:
243/18 - 28/18 = 243 - 28/18 = 215/18 - In mixed form: 1117/18
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