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

Solution:

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

Answer: 3.81

(ii) 243.86 from 402.1

Solution:

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 subtraction of decimals:

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

Solution:

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.

Solution:

One number is 107.06

The other number is 79.17

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

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● Related Concept

● Decimals

● 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 Rule

● BODMAS/PEMDAS Rules - Involving Decimals

● PEMDAS Rules - Involving Integers

● PEMDAS Rules - Involving Decimals

● PEMDAS Rule

● 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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