What is 10 - 0.55?pls help I'm really struggling

Mathematics

1 answer:

Mrrafil [7]3 years ago

8 0

Line them up

10.00
- 0.55
----------

The number above the 5's is less than 5 so we have to borrow

10.00 becomes 9.9(10) - because we borrowed a ten the last number is 10

9.9(10)
- 0.55
--------------

Subtract : 10 - 5 = 5, 9 - 5 = 4, 9 - 0 = 9

9.45 is the answer.

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