Question

what should be added to (1/2 + 1/3 + 1/5) to get 3 ?​

Answer 1

Answer:

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Step-by-step explanation:

Since, 3, 2, and 5 are all prime numbers. The L.C.M is, Now, the bottom of the answer should be 30, just by multiplying unit fractions.

Answer 2

1/ 2  + 1/ 3  = 1 · 3/ 2 · 3  + 1 · 2/ 3 · 2  = 3/ 6  + 2/ 6  = 3 + 2/ 6 = 5/ 6

1/ 5  = 5/ 6  + 1/ 5  = 5 · 5/ 6 · 5  + 1 · 6/ 5· 6  = 25/ 30  + 6/ 30  = 25 + 6/ 30  = 31/ 30

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