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Subtract 5/72 from 90/4

1st number: 22 2/4, 2nd number: 5/72

90/4 - 5/72 is 1615/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 72 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 4 × 18 = 72,
    90/4 = 90 × 18/4 × 18 = 1620/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    5/72 = 5 × 1/72 × 1 = 5/72
  4. Subtract the two like fractions:
    1620/72 - 5/72 = 1620 - 5/72 = 1615/72
  5. In mixed form: 2231/72

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