Add 15/81 and 20/24
15/81 + 20/24 is 55/54.
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,
15/81 = 15 × 8/81 × 8 = 120/648 - Likewise, for the 2nd fraction, since 24 × 27 = 648,
20/24 = 20 × 27/24 × 27 = 540/648 - Add the two like fractions:
120/648 + 540/648 = 120 + 540/648 = 660/648 - 660/648 simplified gives 55/54
- So, 15/81 + 20/24 = 55/54
In mixed form: 11/54
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