Add 12/24 and 45/81
12/24 + 45/81 is 19/18.
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,
45/81 = 45 × 8/81 × 8 = 360/648 - Add the two like fractions:
324/648 + 360/648 = 324 + 360/648 = 684/648 - 684/648 simplified gives 19/18
- So, 12/24 + 45/81 = 19/18
In mixed form: 11/18
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