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Subtract 42/16 from 63/8

1st number: 7 7/8, 2nd number: 2 10/16

63/8 - 42/16 is 21/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 16 is 16

    Next, find the equivalent fraction of both fractional numbers with denominator 16
  2. For the 1st fraction, since 8 × 2 = 16,
    63/8 = 63 × 2/8 × 2 = 126/16
  3. Likewise, for the 2nd fraction, since 16 × 1 = 16,
    42/16 = 42 × 1/16 × 1 = 42/16
  4. Subtract the two like fractions:
    126/16 - 42/16 = 126 - 42/16 = 84/16
  5. After reducing the fraction, the answer is 21/4
  6. In mixed form: 51/4

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