Add 36/81 and 42/12
1st number: 36/81, 2nd number: 3 6/12
36/81 + 42/12 is 71/18.
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,
36/81 = 36 × 4/81 × 4 = 144/324 - Likewise, for the 2nd fraction, since 12 × 27 = 324,
42/12 = 42 × 27/12 × 27 = 1134/324 - Add the two like fractions:
144/324 + 1134/324 = 144 + 1134/324 = 1278/324 - 1278/324 simplified gives 71/18
- So, 36/81 + 42/12 = 71/18
In mixed form: 317/18
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