Add 7/24 and 63/81
7/24 + 63/81 is 77/72.
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,
63/81 = 63 × 8/81 × 8 = 504/648 - Add the two like fractions:
189/648 + 504/648 = 189 + 504/648 = 693/648 - 693/648 simplified gives 77/72
- So, 7/24 + 63/81 = 77/72
In mixed form: 15/72
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