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Subtract 90/70 from 27/8

1st number: 3 3/8, 2nd number: 1 20/70

27/8 - 90/70 is 117/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 70 is 280
  2. For the 1st fraction, since 8 × 35 = 280,
    27/8 = 27 × 35/8 × 35 = 945/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    90/70 = 90 × 4/70 × 4 = 360/280
  4. Subtract the two fractions:
    945/280 - 360/280 = 945 - 360/280 = 585/280
  5. After reducing the fraction, the answer is 117/56
  6. In mixed form: 25/56

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