Subtract 18/16 from 81/18
1st number: 4 9/18, 2nd number: 1 2/16
81/18 - 18/16 is 27/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
81/18 = 81 × 8/18 × 8 = 648/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
18/16 = 18 × 9/16 × 9 = 162/144 - Subtract the two like fractions:
648/144 - 162/144 = 648 - 162/144 = 486/144 - After reducing the fraction, the answer is 27/8
- In mixed form: 33/8
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