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Add 21/5 and 12/27

1st number: 4 1/5, 2nd number: 12/27

21/5 + 12/27 is 209/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 27 is 135

    Next, find the equivalent fraction of both fractional numbers with denominator 135
  2. For the 1st fraction, since 5 × 27 = 135,
    21/5 = 21 × 27/5 × 27 = 567/135
  3. Likewise, for the 2nd fraction, since 27 × 5 = 135,
    12/27 = 12 × 5/27 × 5 = 60/135
  4. Add the two like fractions:
    567/135 + 60/135 = 567 + 60/135 = 627/135
  5. 627/135 simplified gives 209/45
  6. So, 21/5 + 12/27 = 209/45
    In mixed form: 429/45

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