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12 October, 06:24

What is 1/4-1/7 when sub

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  1. 12 October, 07:45
    0
    1/4-1/7

    1) find the least common multiple of 4 and 7: 28

    2) since 4*7 is 28, 1*4=4 and 1*7=7

    the new fractions are 7/28-4/28

    subtract and get 3/28

    therefore, 1/4-1/7 is 3/28
  2. 12 October, 08:13
    0
    One Fourth minus one Seventh is three twenty eighths.
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