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Subtract 70/18 from 72/35

1st number: 2 2/35, 2nd number: 3 16/18

72/35 - 70/18 is -577/315.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 18 is 630
  2. For the 1st fraction, since 35 × 18 = 630,
    72/35 = 72 × 18/35 × 18 = 1296/630
  3. Likewise, for the 2nd fraction, since 18 × 35 = 630,
    70/18 = 70 × 35/18 × 35 = 2450/630
  4. Subtract the two fractions:
    1296/630 - 2450/630 = 1296 - 2450/630 = -1154/630
  5. After reducing the fraction, the answer is -577/315

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