Add 5/24 and 42/81
5/24 + 42/81 is 157/216.
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,
5/24 = 5 × 27/24 × 27 = 135/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
42/81 = 42 × 8/81 × 8 = 336/648 - Add the two like fractions:
135/648 + 336/648 = 135 + 336/648 = 471/648 - 471/648 simplified gives 157/216
- So, 5/24 + 42/81 = 157/216
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