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Subtract 49/30 from 6/21

1st number: 6/21, 2nd number: 1 19/30

6/21 - 49/30 is -283/210.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 21 × 10 = 210,
    6/21 = 6 × 10/21 × 10 = 60/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    49/30 = 49 × 7/30 × 7 = 343/210
  4. Subtract the two like fractions:
    60/210 - 343/210 = 60 - 343/210 = -283/210

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