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Subtract 35/21 from 20/24

1st number: 20/24, 2nd number: 1 14/21

20/24 - 35/21 is -5/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 21 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 24 × 7 = 168,
    20/24 = 20 × 7/24 × 7 = 140/168
  3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
    35/21 = 35 × 8/21 × 8 = 280/168
  4. Subtract the two like fractions:
    140/168 - 280/168 = 140 - 280/168 = -140/168
  5. After reducing the fraction, the answer is -5/6

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