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Direction: Subtract the following decimal numbers. Copy and answer. Work it neatly.1.) 8.57-    4.46   2.) 9.81-    7.2     3.) 650.10-      28.10  4.) 877.5-      17.4  5.) 49.09-      5.08

Question

Direction: Subtract the following decimal numbers. Copy and answer. Work it neatly.1.) 8.57-    4.46   2.) 9.81-    7.2     3.) 650.10-      28.10  4.) 877.5-      17.4  5.) 49.09-      5.08

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Solution

1.) 8.57 - 4.46

Step 1: Align the numbers by their decimal points. 8.57

  • 4.46

Step 2: Subtract the numbers in the hundredths place. 7 - 6 = 1. 8.57

  • 4.46

.11

Step 3: Subtract the numbers in the tenths place. 5 - 4 = 1. 8.57

  • 4.46

1.11

Step 4: Subtract the numbers in the ones place. 8 - 4 = 4. 8.57

  • 4.46

4.11

2.) 9.81 - 7.2

Step 1: Align the numbers by their decimal points. Add a zero to 7.2 to make it 7.20 for easier subtraction. 9.81

  • 7.20

Step 2: Subtract the numbers in the hundredths place. 1 - 0 = 1. 9.81

  • 7.20

.61

Step 3: Subtract the numbers in the tenths place. 8 - 2 = 6. 9.81

  • 7.20

2.61

Step 4: Subtract the numbers in the ones place. 9 - 7 = 2. 9.81

  • 7.20

2.61

3.) 650.10 - 28.10

Step 1: Align the numbers by their decimal points. 650.10

  • 28.10

Step 2: Subtract the numbers in the hundredths place. 0 - 0 = 0. 650.10

  • 28.10

.00

Step 3: Subtract the numbers in the tenths place. 1 - 1 = 0. 650.10

  • 28.10

0.00

Step 4: Subtract the numbers in the ones place. 0 - 8 = -8. Since we can't have a negative number, we borrow 1 from the tens place. 10 - 8 = 2. 650.10

  • 28.10

22.00

Step 5: Subtract the numbers in the tens place. 4 - 2 = 2. 650.10

  • 28.10

622.00

4.) 877.5 - 17.4

Step 1: Align the numbers by their decimal points. Add a zero to 877.5 to make it 877.50 for easier subtraction. 877.50

  • 17.40

Step 2: Subtract the numbers in the hundredths place. 0 - 0 = 0. 877.50

  • 17.40

.10

Step 3: Subtract the numbers in the tenths place. 5 - 4 = 1. 877.50

  • 17.40

0.10

Step 4: Subtract the numbers in the ones place. 7 - 7 = 0. 877.50

  • 17.40

60.10

Step 5: Subtract the numbers in the tens place. 7 - 1 = 6. 877.50

  • 17.40

860.10

5.) 49.09 - 5.08

Step 1: Align the numbers by their decimal points. 49.09

  • 5.08

Step 2: Subtract the numbers in the hundredths place. 9 - 8 = 1. 49.09

  • 5.08

.01

Step 3: Subtract the numbers in the tenths place. 0 - 0 = 0. 49.09

  • 5.08

0.01

Step 4: Subtract the numbers in the ones place. 9 - 5 = 4. 49.09

  • 5.08

44.01

This problem has been solved

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