Add 81/84 and 27/12
1st number: 81/84, 2nd number: 2 3/12
81/84 + 27/12 is 45/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
81/84 = 81 × 1/84 × 1 = 81/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
27/12 = 27 × 7/12 × 7 = 189/84 - Add the two like fractions:
81/84 + 189/84 = 81 + 189/84 = 270/84 - 270/84 simplified gives 45/14
- So, 81/84 + 27/12 = 45/14
In mixed form: 33/14
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