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Add 9/21 and 90/5

1st number: 9/21, 2nd number: 18 0/5

9/21 + 90/5 is 129/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 5 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 21 × 5 = 105,
    9/21 = 9 × 5/21 × 5 = 45/105
  3. Likewise, for the 2nd fraction, since 5 × 21 = 105,
    90/5 = 90 × 21/5 × 21 = 1890/105
  4. Add the two like fractions:
    45/105 + 1890/105 = 45 + 1890/105 = 1935/105
  5. 1935/105 simplified gives 129/7
  6. So, 9/21 + 90/5 = 129/7
    In mixed form: 183/7

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