Add 12/24 and 20/81
12/24 + 20/81 is 121/162.
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,
12/24 = 12 × 27/24 × 27 = 324/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
20/81 = 20 × 8/81 × 8 = 160/648 - Add the two like fractions:
324/648 + 160/648 = 324 + 160/648 = 484/648 - 484/648 simplified gives 121/162
- So, 12/24 + 20/81 = 121/162
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