Anonymous

Subtract 7 4/5 From 18 6/15 Reduce To Lowest Terms?

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Mike J Profile
Mike J answered
First, find a common denominator for 5 and 15:

  • 5, 10, 15
  • 15

Next, change 7   4/5 --> 7 and 12/15


Now, subtract:

18 and 6/15 - 7 and 12/15 must be changed, borrow one from 18:

  • 17 and 21/15 - 7 and 12/15 = 10 and 9/15 --> 10 and 3/5

Your answer is 10 and 3/5

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