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Subtract 4/90 from 70/36

1st number: 1 34/36, 2nd number: 4/90

70/36 - 4/90 is 19/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 36 × 5 = 180,
    70/36 = 70 × 5/36 × 5 = 350/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    4/90 = 4 × 2/90 × 2 = 8/180
  4. Subtract the two like fractions:
    350/180 - 8/180 = 350 - 8/180 = 342/180
  5. After reducing the fraction, the answer is 19/10
  6. In mixed form: 19/10

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