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Subtract 7/80 from 3/2

1st number: 1 1/2, 2nd number: 7/80

3/2 - 7/80 is 113/80.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 80 is 80
  2. For the 1st fraction, since 2 × 40 = 80,
    3/2 = 3 × 40/2 × 40 = 120/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    7/80 = 7 × 1/80 × 1 = 7/80
  4. Subtract the two fractions:
    120/80 - 7/80 = 120 - 7/80 = 113/80
  5. In mixed form: 133/80

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