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Subtract 30/7 from 2/15

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

2/15 - 30/7 is -436/105.

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,
    2/15 = 2 × 7/15 × 7 = 14/105
  3. Likewise, for the 2nd fraction, since 7 × 15 = 105,
    30/7 = 30 × 15/7 × 15 = 450/105
  4. Subtract the two like fractions:
    14/105 - 450/105 = 14 - 450/105 = -436/105

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