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Subtract 4/20 from 75/30

1st number: 2 15/30, 2nd number: 4/20

75/30 - 4/20 is 23/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 20 is 60
  2. For the 1st fraction, since 30 × 2 = 60,
    75/30 = 75 × 2/30 × 2 = 150/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    4/20 = 4 × 3/20 × 3 = 12/60
  4. Subtract the two fractions:
    150/60 - 12/60 = 150 - 12/60 = 138/60
  5. After reducing the fraction, the answer is 23/10
  6. In mixed form: 23/10

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