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Subtract 3/10 from 9/8

1st number: 1 1/8, 2nd number: 3/10

9/8 - 3/10 is 33/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 10 is 40
  2. For the 1st fraction, since 8 × 5 = 40,
    9/8 = 9 × 5/8 × 5 = 45/40
  3. Likewise, for the 2nd fraction, since 10 × 4 = 40,
    3/10 = 3 × 4/10 × 4 = 12/40
  4. Subtract the two fractions:
    45/40 - 12/40 = 45 - 12/40 = 33/40

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