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Subtract 7/84 from 90/10

1st number: 9 0/10, 2nd number: 7/84

90/10 - 7/84 is 107/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 84 is 420
  2. For the 1st fraction, since 10 × 42 = 420,
    90/10 = 90 × 42/10 × 42 = 3780/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    7/84 = 7 × 5/84 × 5 = 35/420
  4. Subtract the two fractions:
    3780/420 - 35/420 = 3780 - 35/420 = 3745/420
  5. After reducing the fraction, the answer is 107/12
  6. In mixed form: 811/12

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