Adding decimals is just same like adding as usual.
How to add decimal number?
To add decimal follow the below steps:
● Write down the decimal numbers, one number under the other number and line up the decimal points.
● Convert the given decimals to like decimals.
● Arrange the addends in such a way that the digits of the same place are in the same column.
● Add the numbers from right as we carry addition usually.
● Remember to place the decimal point down in the answer in the same place as the numbers above it.
Workedout problems to find the sum of the decimal numbers:
Read the above explanation stepbystep and try to understand the examples on addition of decimals.
1. Add the decimals:
(i) 1.83, 21.105, 236.8 and 0.9
Solution:
We have 1.83 + 21.105 + 236.8 + 0.9
Converting all the addends to like decimals
1.830 + 21.105 + 236.800 + 0.900
Arranging the addends in columns and on adding we get
Answer: 260.635
(ii) 7.39, 65.007, 213.8 and 91.2
Solution:
We have 7.39 + 65.007 + 213.8 + 91.2
Converting all the addends to like decimals
7.390 + 65.007 + 213.800 + 91.200
Arranging the addends in columns and on adding we get
Answer: 377.397
Word problems on adding decimals:
2. Terry spent $33 and 65 cents on Monday, $21 on Tuesday and $9 and 7 cents on Wednesday. Find the total money spent by her in three days altogether.
Solution:
Terry spent on Monday = $43 and 65 cents = $33.65Therefore, total amount spent by Terry = $(33.65 + 21.00 + 9.07) = $63.72
3. First number is 85.99, second number is 107.81 and the third number is 19.207. Find the sum of the three numbers.
Solution:
First number = 85.99
Second number = 107.81
Third number = 19.207
Therefore, sum of three numbers = (85.99 + 107.81 + 19.207) = 213.007
● Related Concept
● Decimals
● Conversion of Unlike Decimals to Like Decimals
● Decimal and Fractional Expansion
● Converting Decimals to Fractions
● Converting Fractions to Decimals
● H.C.F. and L.C.M. of Decimals
● Repeating or Recurring Decimal
● BODMAS/PEMDAS Rules  Involving Decimals
● PEMDAS Rules  Involving Integers
● PEMDAS Rules  Involving Decimals
● BODMAS Rules  Involving Integers
● Conversion of Pure Recurring Decimal into Vulgar Fraction
● Conversion of Mixed Recurring Decimals into Vulgar Fractions
● Rounding Decimals to the Nearest Whole Number
● Rounding Decimals to the Nearest Tenths
● Rounding Decimals to the Nearest Hundredths
● Simplify Decimals Involving Addition and Subtraction Decimals
● Multiplying Decimal by a Decimal Number
● Multiplying Decimal by a Whole Number
● Dividing Decimal by a Whole Number
● Dividing Decimal by a Decimal Number
From Adding Decimals to HOME PAGE
Didn't find what you were looking for? Or want to know more information about Math Only Math. Use this Google Search to find what you need.
