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Subtract 27/70 from 15/7

1st number: 2 1/7, 2nd number: 27/70

15/7 - 27/70 is 123/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 70 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 7 × 10 = 70,
    15/7 = 15 × 10/7 × 10 = 150/70
  3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
    27/70 = 27 × 1/70 × 1 = 27/70
  4. Subtract the two like fractions:
    150/70 - 27/70 = 150 - 27/70 = 123/70
  5. In mixed form: 153/70

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