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Subtract 27/10 from 28/8

1st number: 3 4/8, 2nd number: 2 7/10

28/8 - 27/10 is 4/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 10 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 8 × 5 = 40,
    28/8 = 28 × 5/8 × 5 = 140/40
  3. Likewise, for the 2nd fraction, since 10 × 4 = 40,
    27/10 = 27 × 4/10 × 4 = 108/40
  4. Subtract the two like fractions:
    140/40 - 108/40 = 140 - 108/40 = 32/40
  5. After reducing the fraction, the answer is 4/5

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