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Subtract 18/30 from 28/14

1st number: 2 0/14, 2nd number: 18/30

28/14 - 18/30 is 7/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 14 × 15 = 210,
    28/14 = 28 × 15/14 × 15 = 420/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    18/30 = 18 × 7/30 × 7 = 126/210
  4. Subtract the two like fractions:
    420/210 - 126/210 = 420 - 126/210 = 294/210
  5. After reducing the fraction, the answer is 7/5
  6. In mixed form: 12/5

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