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Subtract 6/70 from 21/7

1st number: 3 0/7, 2nd number: 6/70

21/7 - 6/70 is 102/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 70 is 70
  2. For the 1st fraction, since 7 × 10 = 70,
    21/7 = 21 × 10/7 × 10 = 210/70
  3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
    6/70 = 6 × 1/70 × 1 = 6/70
  4. Subtract the two fractions:
    210/70 - 6/70 = 210 - 6/70 = 204/70
  5. After reducing the fraction, the answer is 102/35
  6. In mixed form: 232/35

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