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Subtract 7/10 from 18/8

1st number: 2 2/8, 2nd number: 7/10

18/8 - 7/10 is 31/20.

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,
    18/8 = 18 × 5/8 × 5 = 90/40
  3. Likewise, for the 2nd fraction, since 10 × 4 = 40,
    7/10 = 7 × 4/10 × 4 = 28/40
  4. Subtract the two fractions:
    90/40 - 28/40 = 90 - 28/40 = 62/40
  5. After reducing the fraction, the answer is 31/20
  6. In mixed form: 111/20

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