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Subtract 96/90 from 21/36

1st number: 21/36, 2nd number: 1 6/90

21/36 - 96/90 is -29/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 36 × 5 = 180,
    21/36 = 21 × 5/36 × 5 = 105/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    96/90 = 96 × 2/90 × 2 = 192/180
  4. Subtract the two like fractions:
    105/180 - 192/180 = 105 - 192/180 = -87/180
  5. After reducing the fraction, the answer is -29/60

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