Add 12/28 and 63/81
12/28 + 63/81 is 76/63.
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,
12/28 = 12 × 81/28 × 81 = 972/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
63/81 = 63 × 28/81 × 28 = 1764/2268 - Add the two like fractions:
972/2268 + 1764/2268 = 972 + 1764/2268 = 2736/2268 - 2736/2268 simplified gives 76/63
- So, 12/28 + 63/81 = 76/63
In mixed form: 113/63
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