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Subtract 70/72 from 30/4

1st number: 7 2/4, 2nd number: 70/72

30/4 - 70/72 is 235/36.

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,
    30/4 = 30 × 18/4 × 18 = 540/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    70/72 = 70 × 1/72 × 1 = 70/72
  4. Subtract the two like fractions:
    540/72 - 70/72 = 540 - 70/72 = 470/72
  5. After reducing the fraction, the answer is 235/36
  6. In mixed form: 619/36

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