Question

How much should be added to the sum of 450g and 300g to get 1kg ​

Answer 1

Answer:

We know, 1 kg = 1000 grams

Now kg and g are converted into grams before doing addition and then we need to follow the simple addition process.

7 kg 350 g = (7 × 1000) g + 350 g = 7000 g + 350 g = 7350 grams

2 kg 150 g = (2 × 1000) g + 150 g = 2000 g + 150 g = 2150 grams

Now sum,

1

7350 g

+ 2150 g

9500 g

= 9 kg 500 g

Therefore, 7 kg 350 g + 2 kg 150 g = 9 kg 500 g

Method 2 (without conversion into gram):

Here kg and g are arranged in different columns and then added like ordinary numbers.

kg g

1

7 350

+ 2 150

9 500

= 9 kg 500 g

Therefore, sum of 7 kg 350 g and 2 kg 150 g = 9 kg 500 g

2. Add 8 kg 575 g and 4 kg 897 g

Solution:

Method 1 (with conversion into gram):

We know, 1 kg = 1000 grams

Now kg and g are converted into grams before doing addition and then we need to follow the simple addition process.

8 kg 575 g = (8 × 1000) g + 575 g = 8000 g + 575 g = 8575 grams

4 kg 897 g = (4 × 1000) g + 897 g = 4000 g + 897 g = 4897 grams

Now sum,

1 1 1

8575 g

+ 4897 g

13472 g

= 13 kg 472 g

Therefore, 8 kg 575 g + 4 kg 897 g = 13 kg 472 g

Method 2 (without conversion into gram):

Here kg and g are arranged in different columns and then added like ordinary numbers.

kg g

1 1 1

8 575

+ 4 897

13 472

= 13 kg 472 g

Therefore, sum of 8 kg 575 g and 4 kg 897 g = 13 kg 472 g

3. Add 17 kg, 13 kg 940 g and 15 kg 65 g

Solution:

Here kg and g are arranged in different columns and then added like ordinary numbers (without conversion into gram).

kg g

11 1

17 000

13 940

+ 15 065

46 005

= 46 kg 005 g

Therefore, sum of 17 kg, 13 kg 940 g and 15 kg 65 g = 46 kg 005 g

Step-by-step explanation:

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Answer 2

Answer:

250 should be more added

Step-by-step explanation:

1kg =1000g

x + 450g +300g =1000g

x =1000g -750g

x=250g