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Subtract 15/75 from 30/28

1st number: 1 2/28, 2nd number: 15/75

30/28 - 15/75 is 61/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 75 is 2100

    Next, find the equivalent fraction of both fractional numbers with denominator 2100
  2. For the 1st fraction, since 28 × 75 = 2100,
    30/28 = 30 × 75/28 × 75 = 2250/2100
  3. Likewise, for the 2nd fraction, since 75 × 28 = 2100,
    15/75 = 15 × 28/75 × 28 = 420/2100
  4. Subtract the two like fractions:
    2250/2100 - 420/2100 = 2250 - 420/2100 = 1830/2100
  5. After reducing the fraction, the answer is 61/70

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