Add 5/81 and 8/42
5/81 + 8/42 is 143/567.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 42 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 81 × 14 = 1134,
5/81 = 5 × 14/81 × 14 = 70/1134 - Likewise, for the 2nd fraction, since 42 × 27 = 1134,
8/42 = 8 × 27/42 × 27 = 216/1134 - Add the two like fractions:
70/1134 + 216/1134 = 70 + 216/1134 = 286/1134 - 286/1134 simplified gives 143/567
- So, 5/81 + 8/42 = 143/567
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