Subtract 10/81 from 45/12
1st number: 3 9/12, 2nd number: 10/81
45/12 - 10/81 is 1175/324.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 12 × 27 = 324,
45/12 = 45 × 27/12 × 27 = 1215/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
10/81 = 10 × 4/81 × 4 = 40/324 - Subtract the two like fractions:
1215/324 - 40/324 = 1215 - 40/324 = 1175/324 - In mixed form: 3203/324
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