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Subtract 15/70 from 72/24

1st number: 3 0/24, 2nd number: 15/70

72/24 - 15/70 is 39/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 70 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 24 × 35 = 840,
    72/24 = 72 × 35/24 × 35 = 2520/840
  3. Likewise, for the 2nd fraction, since 70 × 12 = 840,
    15/70 = 15 × 12/70 × 12 = 180/840
  4. Subtract the two like fractions:
    2520/840 - 180/840 = 2520 - 180/840 = 2340/840
  5. After reducing the fraction, the answer is 39/14
  6. In mixed form: 211/14

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