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Subtract 30/21 from 6/5

1st number: 1 1/5, 2nd number: 1 9/21

6/5 - 30/21 is -8/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 21 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 5 × 21 = 105,
    6/5 = 6 × 21/5 × 21 = 126/105
  3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
    30/21 = 30 × 5/21 × 5 = 150/105
  4. Subtract the two like fractions:
    126/105 - 150/105 = 126 - 150/105 = -24/105
  5. After reducing the fraction, the answer is -8/35

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