We will discuss here how to solve the word problems on subtraction of decimal fractions.
We know to subtract one decimal number from the other decimal number:
(i) Change the decimal fractions to like decimal fractions.
(ii) Write the smaller number below the greater number such that the digits in the corresponding places are one below the other and the decimal points are placed in the same vertical line.
(iii) Subtraction is done in the same way as in case of whole numbers.
(iv) Place the decimal point in the result in line with the other decimal points.
Solved examples on word problems on subtraction of decimal fractions:
1. Find the difference of 16.7 from 25.2.
2. Jenny
purchased vegetables for $ 29.75. She paid $ 100 more note. How much money did
she get back?
Jenny paid = $ 100
Jenny purchased vegetables for $ 29.75
Jenny got back = 100.00
- 29.75
$ 70.25
3. What should be added to 85.264 to get 164.253?
To get the number, subtract 85.264 from 164.253
Therefore, 78.989 is to be added to 85.264 to get 164.253.
4. A container holds 60.25 liter of water, if 39.7 liters of water I used up then how much water is left is left in the container?
Quantity of water in the container = 60.25 l
Quantity of water used up = - 39.70 l
Quantity of water left = 20.55 l
Therefore, the water left in the container is 20.55 litre.
● Decimal.
Expanded form of Decimal Fractions.
Changing Unlike to Like Decimal Fractions.
Comparison of Decimal Fractions.
Conversion of a Decimal Fraction into a Fractional Number.
Conversion of Fractions to Decimals Numbers.
Addition of Decimal Fractions.
Problems on Addition of Decimal Fractions
Subtraction of Decimal Fractions.
Multiplication of a Decimal Numbers.
Multiplication of a Decimal by a Decimal.
Properties of Multiplication of Decimal Numbers.
Division of a Decimal by a Whole Number.
Division of Decimal Fractions by Multiples.
Division of a Decimal by a Decimal.
Division of a whole number by a Decimal.
Conversion of fraction to Decimal Fraction.
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