Add 84/81 and 15/84
1st number: 1 3/81, 2nd number: 15/84
84/81 + 15/84 is 919/756.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 84 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 81 × 28 = 2268,
84/81 = 84 × 28/81 × 28 = 2352/2268 - Likewise, for the 2nd fraction, since 84 × 27 = 2268,
15/84 = 15 × 27/84 × 27 = 405/2268 - Add the two like fractions:
2352/2268 + 405/2268 = 2352 + 405/2268 = 2757/2268 - 2757/2268 simplified gives 919/756
- So, 84/81 + 15/84 = 919/756
In mixed form: 1163/756
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