Add 20/28 and 63/81
20/28 + 63/81 is 94/63.
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,
20/28 = 20 × 81/28 × 81 = 1620/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
63/81 = 63 × 28/81 × 28 = 1764/2268 - Add the two like fractions:
1620/2268 + 1764/2268 = 1620 + 1764/2268 = 3384/2268 - 3384/2268 simplified gives 94/63
- So, 20/28 + 63/81 = 94/63
In mixed form: 131/63
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