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Subtract 21/8 from 40/4

1st number: 10 0/4, 2nd number: 2 5/8

40/4 - 21/8 is 59/8.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 8
  2. For the 1st fraction, since 4 × 2 = 8,
    40/4 = 40 × 2/4 × 2 = 80/8
  3. Likewise, for the 2nd fraction, since 8 × 1 = 8,
    21/8 = 21 × 1/8 × 1 = 21/8
  4. Subtract the two like fractions:
    80/8 - 21/8 = 80 - 21/8 = 59/8
  5. In mixed form: 73/8

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