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Subtract 20/8 from 30/10

1st number: 3 0/10, 2nd number: 2 4/8

30/10 - 20/8 is 1/2.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 10 × 4 = 40,
    30/10 = 30 × 4/10 × 4 = 120/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    20/8 = 20 × 5/8 × 5 = 100/40
  4. Subtract the two like fractions:
    120/40 - 100/40 = 120 - 100/40 = 20/40
  5. After reducing the fraction, the answer is 1/2

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