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What is 7.2 - 4.5?

Practice Questions

Q1
What is 7.2 - 4.5?
  1. 2.5
  2. 2.7
  3. 3.0
  4. 3.2

Questions & Step-by-Step Solutions

What is 7.2 - 4.5?
  • Step 1: Write down the numbers you want to subtract: 7.2 and 4.5.
  • Step 2: Align the numbers by their decimal points: 7.2 and 4.5.
  • Step 3: Subtract the numbers starting from the right: 2 (from 2) - 5 (from 5) cannot be done, so we need to borrow 1 from the 7.
  • Step 4: After borrowing, the 7 becomes 6, and the 2 becomes 12. Now subtract: 12 - 5 = 7.
  • Step 5: Now move to the next column: 6 (from 6) - 4 (from 4) = 2.
  • Step 6: Combine the results: 2 (from the second column) and 7 (from the first column) gives you 2.7.
  • Step 7: Therefore, 7.2 - 4.5 = 2.7.
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