This question was previously asked in

PGCIL DT Electrical 13 Aug 2021 Official Paper (NR I)

- 6/19
- 7/18
- 6/18
- 7/19

Option 2 : 7/18

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Calculation:

Let the fraction be x.

According to the question:

⇒ 4/8 + x = 8/9

⇒ x = 8/9 – (1/2)

⇒ x = (16 – 9)/18

⇒ x = 7/18

∴ The fraction is 7/18.

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