Subtracting Decimals

Subtracting decimals is just same like subtracting as usual.

How to subtract decimal number?

To subtract decimal follow the below steps:

● Write down the two decimal numbers, one number under the other number and line up the decimal points.

 Convert the given decimals to like decimals.

 Write the smaller decimal number under the larger decimal number in the column.

 Arrange the decimal numbers in the column in such a way that the digits of the same place are in the same column.

 Subtract the numbers in the column from the right.

 Remember to place the decimal point down in the answer in the same place as the numbers above it.

Worked-out problems to find the difference between the two decimal numbers:

Read the above explanation step-by-step and try to understand the examples on subtraction of decimals.

1. Subtract the decimals:

(i) 27.59 from 31.4


We have 27.59 from 31.4

Converting both the decimal numbers into like decimals,

31.40 - 27.59

Now arrange them in columns and subtract we get

How to Subtract Decimal Number?

Answer: 3.81

(ii) 243.86 from 402.1


We have 243.86 from 402.1

Converting both the decimal numbers into like decimals,

402.10 - 243.86

Now arrange them in columns and subtract we get

Word Problems on Subtracting Decimals

Word problems on subtraction of decimals:

2. Aaron father gave him $100. He bought a math book for $61.35. How much money is left with him?


Aaron father gave him = $100.00

Aaron spent on purchasing the math book = $61.35

Therefore, amount left with him = $(100.00 - 61.35) = $38.65

3. One number is 107.06 and the other number is 79.17. Find the difference between both the numbers.


One number is 107.06

The other number is 79.17

Therefore, the difference between both the numbers = 107.06 - 79.17 = 27.89

Related Concept


Decimal Numbers

Decimal Fractions

Like and Unlike Decimals

Comparing Decimals

Decimal Places

Conversion of Unlike Decimals to Like Decimals

Decimal and Fractional Expansion

Terminating Decimal

Non-Terminating Decimal

Converting Decimals to Fractions

Converting Fractions to Decimals

H.C.F. and L.C.M. of Decimals

Repeating or Recurring Decimal

Pure Recurring Decimal

Mixed 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

Simplification of Decimal

Rounding Decimals

Rounding Decimals to the Nearest Whole Number

Rounding Decimals to the Nearest Tenths

Rounding Decimals to the Nearest Hundredths

Round a Decimal

Adding Decimals

Subtracting Decimals

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

7th Grade Math Problems

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