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Subtract 30/90 from 98/8

1st number: 12 2/8, 2nd number: 30/90

98/8 - 30/90 is 143/12.

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,
    98/8 = 98 × 45/8 × 45 = 4410/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    30/90 = 30 × 4/90 × 4 = 120/360
  4. Subtract the two like fractions:
    4410/360 - 120/360 = 4410 - 120/360 = 4290/360
  5. After reducing the fraction, the answer is 143/12
  6. In mixed form: 1111/12

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