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Subtract 28/70 from 27/15

1st number: 1 12/15, 2nd number: 28/70

27/15 - 28/70 is 7/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 15 × 14 = 210,
    27/15 = 27 × 14/15 × 14 = 378/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    28/70 = 28 × 3/70 × 3 = 84/210
  4. Subtract the two like fractions:
    378/210 - 84/210 = 378 - 84/210 = 294/210
  5. After reducing the fraction, the answer is 7/5
  6. In mixed form: 12/5

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