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Subtract 70/15 from 49/84

1st number: 49/84, 2nd number: 4 10/15

49/84 - 70/15 is -49/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 15 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    49/84 = 49 × 5/84 × 5 = 245/420
  3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
    70/15 = 70 × 28/15 × 28 = 1960/420
  4. Subtract the two like fractions:
    245/420 - 1960/420 = 245 - 1960/420 = -1715/420
  5. After reducing the fraction, the answer is -49/12

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