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Add 21/16 and 90/27

1st number: 1 5/16, 2nd number: 3 9/27

21/16 + 90/27 is 223/48.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 27 is 432

    Next, find the equivalent fraction of both fractional numbers with denominator 432
  2. For the 1st fraction, since 16 × 27 = 432,
    21/16 = 21 × 27/16 × 27 = 567/432
  3. Likewise, for the 2nd fraction, since 27 × 16 = 432,
    90/27 = 90 × 16/27 × 16 = 1440/432
  4. Add the two like fractions:
    567/432 + 1440/432 = 567 + 1440/432 = 2007/432
  5. 2007/432 simplified gives 223/48
  6. So, 21/16 + 90/27 = 223/48
    In mixed form: 431/48

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