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Subtract 30/45 from 20/4

1st number: 5 0/4, 2nd number: 30/45

20/4 - 30/45 is 13/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 4 × 45 = 180,
    20/4 = 20 × 45/4 × 45 = 900/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    30/45 = 30 × 4/45 × 4 = 120/180
  4. Subtract the two like fractions:
    900/180 - 120/180 = 900 - 120/180 = 780/180
  5. After reducing the fraction, the answer is 13/3
  6. In mixed form: 41/3

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