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Subtract 28/15 from 49/70

1st number: 49/70, 2nd number: 1 13/15

49/70 - 28/15 is -7/6.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 70 × 3 = 210,
    49/70 = 49 × 3/70 × 3 = 147/210
  3. Likewise, for the 2nd fraction, since 15 × 14 = 210,
    28/15 = 28 × 14/15 × 14 = 392/210
  4. Subtract the two like fractions:
    147/210 - 392/210 = 147 - 392/210 = -245/210
  5. After reducing the fraction, the answer is -7/6

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