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Add 70/4 and 15/90

1st number: 17 2/4, 2nd number: 15/90

70/4 + 15/90 is 53/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 4 × 45 = 180,
    70/4 = 70 × 45/4 × 45 = 3150/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    15/90 = 15 × 2/90 × 2 = 30/180
  4. Add the two like fractions:
    3150/180 + 30/180 = 3150 + 30/180 = 3180/180
  5. 3180/180 simplified gives 53/3
  6. So, 70/4 + 15/90 = 53/3
    In mixed form: 172/3

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