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Add 28/21 and 35/18

1st number: 1 7/21, 2nd number: 1 17/18

28/21 + 35/18 is 59/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 18 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 21 × 6 = 126,
    28/21 = 28 × 6/21 × 6 = 168/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    35/18 = 35 × 7/18 × 7 = 245/126
  4. Add the two like fractions:
    168/126 + 245/126 = 168 + 245/126 = 413/126
  5. 413/126 simplified gives 59/18
  6. So, 28/21 + 35/18 = 59/18
    In mixed form: 35/18

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