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Subtract 70/9 from 28/60

1st number: 28/60, 2nd number: 7 7/9

28/60 - 70/9 is -329/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 9 is 180
  2. For the 1st fraction, since 60 × 3 = 180,
    28/60 = 28 × 3/60 × 3 = 84/180
  3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
    70/9 = 70 × 20/9 × 20 = 1400/180
  4. Subtract the two fractions:
    84/180 - 1400/180 = 84 - 1400/180 = -1316/180
  5. After reducing the fraction, the answer is -329/45

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