Subtract 5/8 from 81/12
1st number: 6 9/12, 2nd number: 5/8
81/12 - 5/8 is 49/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
81/12 = 81 × 2/12 × 2 = 162/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
5/8 = 5 × 3/8 × 3 = 15/24 - Subtract the two like fractions:
162/24 - 15/24 = 162 - 15/24 = 147/24 - After reducing the fraction, the answer is 49/8
- In mixed form: 61/8
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