Add 24/84 and 54/81
24/84 + 54/81 is 20/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 81 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 84 × 27 = 2268,
24/84 = 24 × 27/84 × 27 = 648/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
54/81 = 54 × 28/81 × 28 = 1512/2268 - Add the two like fractions:
648/2268 + 1512/2268 = 648 + 1512/2268 = 2160/2268 - 2160/2268 simplified gives 20/21
- So, 24/84 + 54/81 = 20/21
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