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Subtract 21/24 from 90/6

1st number: 15 0/6, 2nd number: 21/24

90/6 - 21/24 is 113/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 24 is 24

    Next, find the equivalent fraction of both fractional numbers with denominator 24
  2. For the 1st fraction, since 6 × 4 = 24,
    90/6 = 90 × 4/6 × 4 = 360/24
  3. Likewise, for the 2nd fraction, since 24 × 1 = 24,
    21/24 = 21 × 1/24 × 1 = 21/24
  4. Subtract the two like fractions:
    360/24 - 21/24 = 360 - 21/24 = 339/24
  5. After reducing the fraction, the answer is 113/8
  6. In mixed form: 141/8

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