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Subtract 27/7 from 4/15

1st number: 4/15, 2nd number: 3 6/7

4/15 - 27/7 is -377/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 7 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 15 × 7 = 105,
    4/15 = 4 × 7/15 × 7 = 28/105
  3. Likewise, for the 2nd fraction, since 7 × 15 = 105,
    27/7 = 27 × 15/7 × 15 = 405/105
  4. Subtract the two like fractions:
    28/105 - 405/105 = 28 - 405/105 = -377/105

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