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Subtract 9/4 from 42/8

1st number: 5 2/8, 2nd number: 2 1/4

42/8 - 9/4 is 3/1.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 4 is 8

    Next, find the equivalent fraction of both fractional numbers with denominator 8
  2. For the 1st fraction, since 8 × 1 = 8,
    42/8 = 42 × 1/8 × 1 = 42/8
  3. Likewise, for the 2nd fraction, since 4 × 2 = 8,
    9/4 = 9 × 2/4 × 2 = 18/8
  4. Subtract the two like fractions:
    42/8 - 18/8 = 42 - 18/8 = 24/8
  5. After reducing the fraction, the answer is 3/1

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