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Subtract 21/70 from 35/8

1st number: 4 3/8, 2nd number: 21/70

35/8 - 21/70 is 163/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 70 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 8 × 35 = 280,
    35/8 = 35 × 35/8 × 35 = 1225/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    21/70 = 21 × 4/70 × 4 = 84/280
  4. Subtract the two like fractions:
    1225/280 - 84/280 = 1225 - 84/280 = 1141/280
  5. After reducing the fraction, the answer is 163/40
  6. In mixed form: 43/40

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