Subtract 81/18 from 56/2
1st number: 28 0/2, 2nd number: 4 9/18
56/2 - 81/18 is 47/2.
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,
56/2 = 56 × 9/2 × 9 = 504/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
81/18 = 81 × 1/18 × 1 = 81/18 - Subtract the two like fractions:
504/18 - 81/18 = 504 - 81/18 = 423/18 - After reducing the fraction, the answer is 47/2
- In mixed form: 231/2
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