Add 28/81 and 20/8
1st number: 28/81, 2nd number: 2 4/8
28/81 + 20/8 is 461/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 8 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 8 × 81 = 648,
20/8 = 20 × 81/8 × 81 = 1620/648 - Add the two like fractions:
224/648 + 1620/648 = 224 + 1620/648 = 1844/648 - 1844/648 simplified gives 461/162
- So, 28/81 + 20/8 = 461/162
In mixed form: 2137/162
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