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24 June, 23:57

45 minus 4.5. Show work

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Answers (1)
  1. 25 June, 01:08
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    Let's do subtraction by first starting with the ones place and then the tenths place of the subtrahend.

    45-4=41; 44, 43, 42, 41

    41-.5 = 40.5; 40.9, 40.8, 40.7, 40.6, 40.5

    45-4.5=40.5

    We can check by using addition.

    40.5+4.5=

    44+1=

    45
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