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Subtract 70/28 from 49/90

1st number: 49/90, 2nd number: 2 14/28

49/90 - 70/28 is -88/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 28 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 90 × 14 = 1260,
    49/90 = 49 × 14/90 × 14 = 686/1260
  3. Likewise, for the 2nd fraction, since 28 × 45 = 1260,
    70/28 = 70 × 45/28 × 45 = 3150/1260
  4. Subtract the two like fractions:
    686/1260 - 3150/1260 = 686 - 3150/1260 = -2464/1260
  5. After reducing the fraction, the answer is -88/45

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