Question 43 of 65intermediate🔧 ApplyNumerical1 mark

Subtract: 45 - 18

Correct Answer

Given: 45 - 18

Method: Column subtraction with borrowing

Step 1: Write in column format: T O 4 5

  • 1 8

Step 2: Since 5 < 8, borrow 1 ten from 4 tens.

Step 3: Now we have 15 ones and 3 tens.

Step 4: Subtract ones: 15 - 8 = 7

Step 5: Subtract tens: 3 - 1 = 2

Answer: 27

Exercise: Let us Do (Subtraction Practice) | Q: 49 | (Page Page 18)
For More Understanding

Explanation

Using column subtraction with borrowing: Since 5 < 8, borrow 1 ten from 4 tens. Now we have 15 ones and 3 tens. Subtract ones: 15 - 8 = 7. Subtract tens: 3 - 1 = 2. Answer = 27.

Solution Steps

  1. Step 1: Write in column format: T O: 4 5 - 1 8

  2. Step 2: Since 5 < 8, borrow 1 ten from 4

  3. Step 3: Now we have 15 ones and 3 tens

  4. Step 4: Subtract ones: 15 - 8 = 7

  5. Step 5: Subtract tens: 3 - 1 = 2

  6. Step 6: Answer = 27

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