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Subtract 84/56 from 1/30

1st number: 1/30, 2nd number: 1 28/56

1/30 - 84/56 is -22/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 56 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 30 × 28 = 840,
    1/30 = 1 × 28/30 × 28 = 28/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    84/56 = 84 × 15/56 × 15 = 1260/840
  4. Subtract the two like fractions:
    28/840 - 1260/840 = 28 - 1260/840 = -1232/840
  5. After reducing the fraction, the answer is -22/15

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