Add 80/81 and 14/12
1st number: 80/81, 2nd number: 1 2/12
80/81 + 14/12 is 349/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 12 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
80/81 = 80 × 4/81 × 4 = 320/324 - Likewise, for the 2nd fraction, since 12 × 27 = 324,
14/12 = 14 × 27/12 × 27 = 378/324 - Add the two like fractions:
320/324 + 378/324 = 320 + 378/324 = 698/324 - 698/324 simplified gives 349/162
- So, 80/81 + 14/12 = 349/162
In mixed form: 225/162
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