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Subtract 1/72 from 30/4

1st number: 7 2/4, 2nd number: 1/72

30/4 - 1/72 is 539/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 72 is 72
  2. For the 1st fraction, since 4 × 18 = 72,
    30/4 = 30 × 18/4 × 18 = 540/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    1/72 = 1 × 1/72 × 1 = 1/72
  4. Subtract the two fractions:
    540/72 - 1/72 = 540 - 1/72 = 539/72
  5. In mixed form: 735/72

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