Add 7/24 and 21/81
7/24 + 21/81 is 119/216.
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,
21/81 = 21 × 8/81 × 8 = 168/648 - Add the two like fractions:
189/648 + 168/648 = 189 + 168/648 = 357/648 - 357/648 simplified gives 119/216
- So, 7/24 + 21/81 = 119/216
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