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Subtract 35/9 from 42/7

1st number: 6 0/7, 2nd number: 3 8/9

42/7 - 35/9 is 19/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 9 is 63
  2. For the 1st fraction, since 7 × 9 = 63,
    42/7 = 42 × 9/7 × 9 = 378/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    35/9 = 35 × 7/9 × 7 = 245/63
  4. Subtract the two fractions:
    378/63 - 245/63 = 378 - 245/63 = 133/63
  5. After reducing the fraction, the answer is 19/9
  6. In mixed form: 21/9

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