Subtract 81/8 from 36/3
1st number: 12 0/3, 2nd number: 10 1/8
36/3 - 81/8 is 15/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 3 × 8 = 24,
36/3 = 36 × 8/3 × 8 = 288/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
81/8 = 81 × 3/8 × 3 = 243/24 - Subtract the two like fractions:
288/24 - 243/24 = 288 - 243/24 = 45/24 - After reducing the fraction, the answer is 15/8
- In mixed form: 17/8
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