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Subtract 21/27 from 90/35

1st number: 2 20/35, 2nd number: 21/27

90/35 - 21/27 is 113/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 27 is 945

    Next, find the equivalent fraction of both fractional numbers with denominator 945
  2. For the 1st fraction, since 35 × 27 = 945,
    90/35 = 90 × 27/35 × 27 = 2430/945
  3. Likewise, for the 2nd fraction, since 27 × 35 = 945,
    21/27 = 21 × 35/27 × 35 = 735/945
  4. Subtract the two like fractions:
    2430/945 - 735/945 = 2430 - 735/945 = 1695/945
  5. After reducing the fraction, the answer is 113/63
  6. In mixed form: 150/63

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