- The currency is the system of money used in the country.
- In India, the currency of money used is
**Indian Rupees** - It can be in the form of notes and coins.

Notes are larger unit of money and coins are smaller unit of money.

**Relation between Rupees and Paise.**

**Conversion of Rupees and paise**

- To convert rupees to paise, we multiply it by 100.
- To convert paise to rupees, we divide it by 100.

**Example 1:**

**Convert 15 rupees to paise.**

**Solution:**

Multiply 15 by 100 to convert 15 rupees to paise.

15 × 100 = 1500

Therefore, 15 rupees = 1500 paise.

**Example 2:**

**Convert 1000 paise to rupees.**

**Solution:**

Divide 1000 by 100 to convert 1000 paise to rupees.

1000 `÷`

100 = 10

Therefore, 1000 paise = 10 rupees.

**Writing money in figures and words**

- The symbol used to represent rupees is “₹” or “
**Rs**”. - The symbol used to represent paise is “
**p**”. - The rupees and paise when written together in figure are separated by “.”.

**Example :**

**15 rupees 10 paise is written as 15.10.**

**Example :**

Similarly, 25.05 in words is written as twenty-five rupees and five paise.

**Addition of money**

The steps to add moneys are the following:

- Add the paise. If the paise is more than 100 then subtract 100 from it and add 1 to the rupees.
- Add the rupees.

**Example 1:**

Add ₹25.75 and ₹15.35.

**Solution:**

**Step 1**: Add 75p and 35p.

75p + 35p = 110p

The total paise is more than 100. Therefore, subtract ₹100 from ₹110.

110 – 100 = 10

**Step 2: **Add ₹25, ₹15 and ₹1.

₹25 + ₹15 + ₹1 = ₹41

Therefore, the sum is 41.10.

**Alternative way:**

**Subtraction of Money**

**The steps to subtract moneys are the following:**

- Subtract the paise. If the paise is negative then add 100 to it and subtract 1 from the rupees.
- Subtract the rupees.

**Example :**

**Subtract 15.75 from 17.35.**

**Solution:**

**Step 1: **Subtract 75p from 35p.

35p – 75p = −40p

The total paise is negative. Therefore, add 100 to it.

100 + (−40) = 100 – 40 = 60

**Step 2**: Subtract ₹17 from ₹15.

₹17 - ₹15 = ₹2

**Step 3: **Subtract ₹1 from ₹2.

₹2 – ₹1 = ₹1

Therefore, the difference is ₹1.60.

**Alternative way:**

**Multiplication of Money**

- Multiply each number of the multiplicand by the multiplier.
- Place a decimal point after two digits from the right in the obtained product.

**Example :**

₹25.05 × 2

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