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Subtract 1/90 from 84/8

1st number: 10 4/8, 2nd number: 1/90

84/8 - 1/90 is 472/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 90 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 8 × 45 = 360,
    84/8 = 84 × 45/8 × 45 = 3780/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    1/90 = 1 × 4/90 × 4 = 4/360
  4. Subtract the two like fractions:
    3780/360 - 4/360 = 3780 - 4/360 = 3776/360
  5. After reducing the fraction, the answer is 472/45
  6. In mixed form: 1022/45

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