75Kg 568g

- 8kg 959g
——————
66kg 609g

Is it correct

looks good to me

Correct

75 kg 568 g = 75.568 kg

8 kg 959 g = 8.959 kg

75.568 - 8.959 = 66.609

66.609 kg = 66 kg 609 g

Yes, the calculation you have provided is correct.

To arrive at the answer, you subtract 8 kilograms and 959 grams from 75 kilograms and 568 grams. When subtracting grams, it is important to ensure that the units are aligned properly.

In this case, you start by subtracting the grams. Since 959 grams is greater than 568 grams, you need to convert 1 kilogram to 1000 grams. By doing so, you can borrow 1 kilogram from the 75 kilograms and adjust the grams accordingly. Thus, the calculation becomes:

(75 kilograms + 1000 grams) minus (8 kilograms + 959 grams)
= 74 kilograms + (1000 grams - 959 grams)
= 74 kilograms + 41 grams

Converting 41 grams to kilograms, you get:
= 74 kilograms + (41 grams ÷ 1000 grams per kilogram)
= 74 kilograms + 0.041 kilograms
= 74 kilograms 41grams.

Therefore, the final result is 66 kilograms 609 grams.