Add 12/81 and 42/12
1st number: 12/81, 2nd number: 3 6/12
12/81 + 42/12 is 197/54.
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,
12/81 = 12 × 4/81 × 4 = 48/324 - Likewise, for the 2nd fraction, since 12 × 27 = 324,
42/12 = 42 × 27/12 × 27 = 1134/324 - Add the two like fractions:
48/324 + 1134/324 = 48 + 1134/324 = 1182/324 - 1182/324 simplified gives 197/54
- So, 12/81 + 42/12 = 197/54
In mixed form: 335/54
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