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Subtract 28/30 from 75/70

1st number: 1 5/70, 2nd number: 28/30

75/70 - 28/30 is 29/210.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 70 × 3 = 210,
    75/70 = 75 × 3/70 × 3 = 225/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    28/30 = 28 × 7/30 × 7 = 196/210
  4. Subtract the two like fractions:
    225/210 - 196/210 = 225 - 196/210 = 29/210

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