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Subtract 1/30 from 7/28

7/28 - 1/30 is 13/60.

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,
    7/28 = 7 × 15/28 × 15 = 105/420
  3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
    1/30 = 1 × 14/30 × 14 = 14/420
  4. Subtract the two like fractions:
    105/420 - 14/420 = 105 - 14/420 = 91/420
  5. After reducing the fraction, the answer is 13/60

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