Decimal Addition: Solve 115.32 + 115.102 Step-by-Step

Question

Solve the following exercise:

115.32+115.102

Video Solution

Solution Steps

00:07 Let's start solving the problem together.
00:10 First, place zero in the correct spot. Remember to carefully position the decimal point.
00:16 Now, connect the numbers as needed and place them accurately.
00:31 Don't forget to align your units, and make sure to add one above.
00:40 Make sure to include one in this addition, and position it correctly.
00:45 Continue placing and connecting the numbers carefully.
00:50 Great job! And that's how we solve this problem.

Step-by-Step Solution

To avoid confusion in solving the exercise, we will first add the digit 0 to the number 115.32 as follows:

115.320+115.102 115.320\\+115.102\\

Now let's solve the exercise in order:

Let's multiply the thousandths after the decimal point:

0+2=2 0+2=2

Let's multiply the hundredths after the decimal point:

2+0=2 2+0=2

Let's multiply the tenths after the decimal point:

3+1=4 3+1=4

Finally, let's multiply the whole numbers before the decimal point accordingly:

5+5=10 5+5=10

We'll add the tens to the tens digit and get:

1+1+1=3 1+1+1=3 1+1=2 1+1=2

And we obtain the following:

115.320+115.102230.422 115.320\\+115.102\\230.422

Answer

230.422