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Subtract 15/9 from 7/15

1st number: 7/15, 2nd number: 1 6/9

7/15 - 15/9 is -6/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 9 is 45
  2. For the 1st fraction, since 15 × 3 = 45,
    7/15 = 7 × 3/15 × 3 = 21/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    15/9 = 15 × 5/9 × 5 = 75/45
  4. Subtract the two fractions:
    21/45 - 75/45 = 21 - 75/45 = -54/45
  5. After reducing the fraction, the answer is -6/5

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