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Subtract 20/24 from 30/28

1st number: 1 2/28, 2nd number: 20/24

30/28 - 20/24 is 5/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 24 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 28 × 6 = 168,
    30/28 = 30 × 6/28 × 6 = 180/168
  3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
    20/24 = 20 × 7/24 × 7 = 140/168
  4. Subtract the two like fractions:
    180/168 - 140/168 = 180 - 140/168 = 40/168
  5. After reducing the fraction, the answer is 5/21

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