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Subtract 20/36 from 30/4

1st number: 7 2/4, 2nd number: 20/36

30/4 - 20/36 is 125/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 36 is 36
  2. For the 1st fraction, since 4 × 9 = 36,
    30/4 = 30 × 9/4 × 9 = 270/36
  3. Likewise, for the 2nd fraction, since 36 × 1 = 36,
    20/36 = 20 × 1/36 × 1 = 20/36
  4. Subtract the two fractions:
    270/36 - 20/36 = 270 - 20/36 = 250/36
  5. After reducing the fraction, the answer is 125/18
  6. In mixed form: 617/18

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