Subtract 10/5 from 81/12
1st number: 6 9/12, 2nd number: 2 0/5
81/12 - 10/5 is 19/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 5 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
81/12 = 81 × 5/12 × 5 = 405/60 - Likewise, for the 2nd fraction, since 5 × 12 = 60,
10/5 = 10 × 12/5 × 12 = 120/60 - Subtract the two like fractions:
405/60 - 120/60 = 405 - 120/60 = 285/60 - After reducing the fraction, the answer is 19/4
- In mixed form: 43/4
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