Add 15/12 and 3/81
1st number: 1 3/12, 2nd number: 3/81
15/12 + 3/81 is 139/108.
Steps for adding 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,
15/12 = 15 × 27/12 × 27 = 405/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
3/81 = 3 × 4/81 × 4 = 12/324 - Add the two like fractions:
405/324 + 12/324 = 405 + 12/324 = 417/324 - 417/324 simplified gives 139/108
- So, 15/12 + 3/81 = 139/108
In mixed form: 131/108
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