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Subtract 7/70 from 28/15

1st number: 1 13/15, 2nd number: 7/70

28/15 - 7/70 is 53/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 70 is 210
  2. For the 1st fraction, since 15 × 14 = 210,
    28/15 = 28 × 14/15 × 14 = 392/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    7/70 = 7 × 3/70 × 3 = 21/210
  4. Subtract the two fractions:
    392/210 - 21/210 = 392 - 21/210 = 371/210
  5. After reducing the fraction, the answer is 53/30
  6. In mixed form: 123/30

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