Add 12/36 and 81/84
12/36 + 81/84 is 109/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
12/36 = 12 × 7/36 × 7 = 84/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
81/84 = 81 × 3/84 × 3 = 243/252 - Add the two like fractions:
84/252 + 243/252 = 84 + 243/252 = 327/252 - 327/252 simplified gives 109/84
- So, 12/36 + 81/84 = 109/84
In mixed form: 125/84
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