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Subtract 8/70 from 15/4

1st number: 3 3/4, 2nd number: 8/70

15/4 - 8/70 is 509/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 70 is 140
  2. For the 1st fraction, since 4 × 35 = 140,
    15/4 = 15 × 35/4 × 35 = 525/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    8/70 = 8 × 2/70 × 2 = 16/140
  4. Subtract the two fractions:
    525/140 - 16/140 = 525 - 16/140 = 509/140
  5. In mixed form: 389/140

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