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Subtract 3/7 from 15/9

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

15/9 - 3/7 is 26/21.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 9 × 7 = 63,
    15/9 = 15 × 7/9 × 7 = 105/63
  3. Likewise, for the 2nd fraction, since 7 × 9 = 63,
    3/7 = 3 × 9/7 × 9 = 27/63
  4. Subtract the two like fractions:
    105/63 - 27/63 = 105 - 27/63 = 78/63
  5. After reducing the fraction, the answer is 26/21
  6. In mixed form: 15/21

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