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Subtract 70/16 from 28/18

1st number: 1 10/18, 2nd number: 4 6/16

28/18 - 70/16 is -203/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 16 is 144
  2. For the 1st fraction, since 18 × 8 = 144,
    28/18 = 28 × 8/18 × 8 = 224/144
  3. Likewise, for the 2nd fraction, since 16 × 9 = 144,
    70/16 = 70 × 9/16 × 9 = 630/144
  4. Subtract the two fractions:
    224/144 - 630/144 = 224 - 630/144 = -406/144
  5. After reducing the fraction, the answer is -203/72

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