Subtract 18/16 from 81/2
1st number: 40 1/2, 2nd number: 1 2/16
81/2 - 18/16 is 315/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 2 × 8 = 16,
81/2 = 81 × 8/2 × 8 = 648/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
18/16 = 18 × 1/16 × 1 = 18/16 - Subtract the two like fractions:
648/16 - 18/16 = 648 - 18/16 = 630/16 - After reducing the fraction, the answer is 315/8
- In mixed form: 393/8
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