Add 28/81 and 42/24
1st number: 28/81, 2nd number: 1 18/24
28/81 + 42/24 is 679/324.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 24 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 81 × 8 = 648,
28/81 = 28 × 8/81 × 8 = 224/648 - Likewise, for the 2nd fraction, since 24 × 27 = 648,
42/24 = 42 × 27/24 × 27 = 1134/648 - Add the two like fractions:
224/648 + 1134/648 = 224 + 1134/648 = 1358/648 - 1358/648 simplified gives 679/324
- So, 28/81 + 42/24 = 679/324
In mixed form: 231/324
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