Add 3/28 and 15/81
3/28 + 15/81 is 221/756.
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,
3/28 = 3 × 81/28 × 81 = 243/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
15/81 = 15 × 28/81 × 28 = 420/2268 - Add the two like fractions:
243/2268 + 420/2268 = 243 + 420/2268 = 663/2268 - 663/2268 simplified gives 221/756
- So, 3/28 + 15/81 = 221/756
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