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Subtract 75/90 from 70/28

1st number: 2 14/28, 2nd number: 75/90

70/28 - 75/90 is 5/3.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 28 × 45 = 1260,
    70/28 = 70 × 45/28 × 45 = 3150/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    75/90 = 75 × 14/90 × 14 = 1050/1260
  4. Subtract the two like fractions:
    3150/1260 - 1050/1260 = 3150 - 1050/1260 = 2100/1260
  5. After reducing the fraction, the answer is 5/3
  6. In mixed form: 12/3

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