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Subtract 56/28 from 8/90

1st number: 8/90, 2nd number: 2 0/28

8/90 - 56/28 is -86/45.

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,
    8/90 = 8 × 14/90 × 14 = 112/1260
  3. Likewise, for the 2nd fraction, since 28 × 45 = 1260,
    56/28 = 56 × 45/28 × 45 = 2520/1260
  4. Subtract the two like fractions:
    112/1260 - 2520/1260 = 112 - 2520/1260 = -2408/1260
  5. After reducing the fraction, the answer is -86/45

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