Add 7/24 and 20/81
7/24 + 20/81 is 349/648.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 81 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 24 × 27 = 648,
7/24 = 7 × 27/24 × 27 = 189/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
20/81 = 20 × 8/81 × 8 = 160/648 - Add the two like fractions:
189/648 + 160/648 = 189 + 160/648 = 349/648 - So, 7/24 + 20/81 = 349/648
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