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Add 64/4 and 9/90

1st number: 16 0/4, 2nd number: 9/90

64/4 + 9/90 is 161/10.

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,
    64/4 = 64 × 45/4 × 45 = 2880/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    9/90 = 9 × 2/90 × 2 = 18/180
  4. Add the two like fractions:
    2880/180 + 18/180 = 2880 + 18/180 = 2898/180
  5. 2898/180 simplified gives 161/10
  6. So, 64/4 + 9/90 = 161/10
    In mixed form: 161/10

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