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Subtract 3/30 from 70/45

1st number: 1 25/45, 2nd number: 3/30

70/45 - 3/30 is 131/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 30 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 45 × 2 = 90,
    70/45 = 70 × 2/45 × 2 = 140/90
  3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
    3/30 = 3 × 3/30 × 3 = 9/90
  4. Subtract the two like fractions:
    140/90 - 9/90 = 140 - 9/90 = 131/90
  5. In mixed form: 141/90

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