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Subtract 49/30 from 1/28

1st number: 1/28, 2nd number: 1 19/30

1/28 - 49/30 is -671/420.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 30 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 28 × 15 = 420,
    1/28 = 1 × 15/28 × 15 = 15/420
  3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
    49/30 = 49 × 14/30 × 14 = 686/420
  4. Subtract the two like fractions:
    15/420 - 686/420 = 15 - 686/420 = -671/420

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