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Subtract 60/70 from 72/15

1st number: 4 12/15, 2nd number: 60/70

72/15 - 60/70 is 138/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 70 is 210
  2. For the 1st fraction, since 15 × 14 = 210,
    72/15 = 72 × 14/15 × 14 = 1008/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    60/70 = 60 × 3/70 × 3 = 180/210
  4. Subtract the two fractions:
    1008/210 - 180/210 = 1008 - 180/210 = 828/210
  5. After reducing the fraction, the answer is 138/35
  6. In mixed form: 333/35

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