Mathematics
Grade6
Easy

Question

12.9 + 2.9

  1. 15.8
  2. 12.8
  3. 15.0
  4. 7.9999

hintHint:

In decimal addition, we need to remember that we need to align the second decimal number in such a way that the decimal point of that number is just below the decimal point of the first number. Then we perform normal addition.

The correct answer is: 15.8


Step by step solution:
Given two decimal numbers are : 12.9 and 2.9
Now, we need to align the numbers in such a way that the decimal point of one number is just below the decimal point of the other number.
12.9
+ 2.9
15.8 (answer)
Thus, the correct answer is option (a) 15.8

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