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Subtract 90/84 from 90/15

1st number: 6 0/15, 2nd number: 1 6/84

90/15 - 90/84 is 69/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 84 is 420
  2. For the 1st fraction, since 15 × 28 = 420,
    90/15 = 90 × 28/15 × 28 = 2520/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    90/84 = 90 × 5/84 × 5 = 450/420
  4. Subtract the two fractions:
    2520/420 - 450/420 = 2520 - 450/420 = 2070/420
  5. After reducing the fraction, the answer is 69/14
  6. In mixed form: 413/14

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