In subtraction of money we will learn how to subtract the amounts of money involving rupees and paise to find the difference. While subtracting we need to follow that the amounts of money is converted into paise.
We will learn two different methods to solve subtraction involving rupees and paise. Students can practice both the methods.
(i) Subtracting the amounts with conversion into paise
(ii) Subtracting the amounts without conversion into paise
Subtraction is done with conversion and without conversion.
1. Subtraction with conversion:
Subtraction in money by using conversion
method, we convert rupees and paise into paise and then subtract the smaller
amount of paise from the greater amount. The obtained
numbers are subtracted as ordinary numbers and if required finally we put a dot
after two digits from the right. The difference is expressed
in rupees and paise.
Consider some of the examples:
1. Find the difference between Rs 58.49 and Rs 34.05.
Solution:
Rs 58.49 = 5849 p
 Rs 34.05 =  3405 p
2444 p
We can also write 2444 p as Rs 24.44
2. Find the difference between Rs 25.68 and Rs 73.94
Solution:
Rs 73.94 = 7394 p
 Rs 25.68 =  2568 p
4826 p
We can also write 4826 p as Rs 48.26
2. Subtraction without conversion:
Subtraction in money by using without conversion method we arrange the given amounts in columns. Such that paise comes under paise, rupees come under rupees and dot comes under dot. The given amounts are subtracted as ordinary numbers. The decimal point is placed in the difference.
Consider some of the examples:
1. Subtract Rs 32.84 from Rs 72.98
Rs 72.98
 Rs 32.84
Rs 40.14
2. Subtract Rs 36.39 from Rs 58.25
Rs 58.25
 Rs 36.39
Rs 21.86
Workedout examples on subtraction of money:
1. Subtract Rs. 21.24 from Rs. 74.75
Solution:
Method 1 (with conversion into paise):
Rs. 74.75 = 7400 paise + 75 paise = 7475 paise
Rs. 21.24 = 2100 paise + 24 paise = 2124 paise
7475 Paise
 2124 Paise
5351 Paise
Therefore, difference of Rs. 21.24 from Rs. 74.75 = 5351 Paise = Rs. 53.51
Method 2 (without conversion into paise):
Rs. P
74. 75
 21. 24
53. 51
(i) Rs. and Paise are arranged in columns with decimal point between them.
(ii) Smaller amount is placed under the larger amount.
(iii) Subtraction is made as ordinary subtraction.
Therefore, difference of Rs. 74.75  Rs. 21.24 = Rs. 53.51
2. Subtract Rs. 28.35 from Rs. 57.30
Solution:
Method 1 (with conversion into paise):
Rs. 57.30 = 5700 paise + 30 paise = 5730 paise
Rs. 28.35 = 2800 paise + 35 paise = 2835 paise
5730 Paise
 2835 Paise
2895 Paise
Therefore, difference of Rs. 28.35 from Rs. 57.30 = 2895 Paise = Rs. 28.95
Method 2 (without conversion into paise):
(i) Rs. and Paise are arranged in columns with decimal point between them.
(ii) Smaller amount is placed under the larger amount.
(iii) Subtraction is made as ordinary subtraction.
(iv) 30 paise  35 paise, so Rs. 1 from Rs. 57 is borrowed and added to 30 paise
Rs. 1 + 30 paise = 130 paise
130 paise  35 paise = 95 paise
(v) Rs. 57 reduce into Rs. 56
Rs. 56  Rs. 28 = Rs. 28
Rs. P
57. 30
 28. 35
28. 95
Therefore, difference of Rs. 57.30  Rs. 28.35 = Rs. 28.95
Related Concept
● Money
● Writing Money in Words and Figure
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