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Subtract 35/18 from 28/10

1st number: 2 8/10, 2nd number: 1 17/18

28/10 - 35/18 is 77/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 18 is 90
  2. For the 1st fraction, since 10 × 9 = 90,
    28/10 = 28 × 9/10 × 9 = 252/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    35/18 = 35 × 5/18 × 5 = 175/90
  4. Subtract the two fractions:
    252/90 - 175/90 = 252 - 175/90 = 77/90

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