Question

please give me the answer with process​

Answer 1

Step-by-step explanation:

Sum of 1/2 + 1/3 + 1/4

= (6 + 4 + 3) /12

= 13/12

13/12 + X = 3

X = 3 - (13/12)

X = (36 - 13)/1

X = 23

Therefore 23 should be added

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Answer 2

Answer:

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

Answer:

Let x be the number to be added to (1/2 + 1/3 + 1/5) to get 3

Therefore:

1/2 + 1/3 + 1/5 + x = 3

Since the Lowest Common Factor (LCF) of all the denominators is 30,

1/2 + 1/3 + 1/5 + x = 3 becomes:

(15 + 10 + 6 + 30x)/30 = 3

(31 + 30x)/30 = 3

Multiplying both sides by 30 gives:

31 + 30x = 3*30

31 + 30x = 90

30x = 90 - 31

30x = 59

x = 59/30

Therefore, the number to be added to (1/2 + 1/3 + 1/5) to get 3 = 59/30

I'm not sure that my answer is correct