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Subtract 30/18 from 50/35

1st number: 1 15/35, 2nd number: 1 12/18

50/35 - 30/18 is -5/21.

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,
    50/35 = 50 × 18/35 × 18 = 900/630
  3. Likewise, for the 2nd fraction, since 18 × 35 = 630,
    30/18 = 30 × 35/18 × 35 = 1050/630
  4. Subtract the two fractions:
    900/630 - 1050/630 = 900 - 1050/630 = -150/630
  5. After reducing the fraction, the answer is -5/21

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