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Subtract 49/30 from 3/7

1st number: 3/7, 2nd number: 1 19/30

3/7 - 49/30 is -253/210.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 7 × 30 = 210,
    3/7 = 3 × 30/7 × 30 = 90/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    49/30 = 49 × 7/30 × 7 = 343/210
  4. Subtract the two like fractions:
    90/210 - 343/210 = 90 - 343/210 = -253/210

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