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Subtract 70/9 from 4/15

1st number: 4/15, 2nd number: 7 7/9

4/15 - 70/9 is -338/45.

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,
    4/15 = 4 × 3/15 × 3 = 12/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    70/9 = 70 × 5/9 × 5 = 350/45
  4. Subtract the two fractions:
    12/45 - 350/45 = 12 - 350/45 = -338/45

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