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Subtract 1/10 from 25/8

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

25/8 - 1/10 is 121/40.

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,
    25/8 = 25 × 5/8 × 5 = 125/40
  3. Likewise, for the 2nd fraction, since 10 × 4 = 40,
    1/10 = 1 × 4/10 × 4 = 4/40
  4. Subtract the two fractions:
    125/40 - 4/40 = 125 - 4/40 = 121/40
  5. In mixed form: 31/40

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