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20 January, 11:44

Can 21 over 42 be reduced

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Answers (2)
  1. 20 January, 14:15
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    Yes 21 over can be reduced to 1/2
  2. 20 January, 14:53
    0
    Indeed it can be! They both share a factor of 21, so you can divide both numbers by 21, and you will get 1/2!

    21: 1, 3, 7, 21

    42: 1, 2, 3, 6, 7, 14, 21, 42
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