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Subtract 4/70 from 15/2

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

15/2 - 4/70 is 521/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 70 is 70
  2. For the 1st fraction, since 2 × 35 = 70,
    15/2 = 15 × 35/2 × 35 = 525/70
  3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
    4/70 = 4 × 1/70 × 1 = 4/70
  4. Subtract the two fractions:
    525/70 - 4/70 = 525 - 4/70 = 521/70
  5. In mixed form: 731/70

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