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Subtract 30/9 from 70/7

1st number: 10 0/7, 2nd number: 3 3/9

70/7 - 30/9 is 20/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 9 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 7 × 9 = 63,
    70/7 = 70 × 9/7 × 9 = 630/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    30/9 = 30 × 7/9 × 7 = 210/63
  4. Subtract the two like fractions:
    630/63 - 210/63 = 630 - 210/63 = 420/63
  5. After reducing the fraction, the answer is 20/3
  6. In mixed form: 62/3

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