Add 15/28 and 56/81
15/28 + 56/81 is 2783/2268.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 81 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 28 × 81 = 2268,
15/28 = 15 × 81/28 × 81 = 1215/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
56/81 = 56 × 28/81 × 28 = 1568/2268 - Add the two like fractions:
1215/2268 + 1568/2268 = 1215 + 1568/2268 = 2783/2268 - So, 15/28 + 56/81 = 2783/2268
In mixed form: 1515/2268
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