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Add 40/16 and 21/54

1st number: 2 8/16, 2nd number: 21/54

40/16 + 21/54 is 26/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 54 is 432

    Next, find the equivalent fraction of both fractional numbers with denominator 432
  2. For the 1st fraction, since 16 × 27 = 432,
    40/16 = 40 × 27/16 × 27 = 1080/432
  3. Likewise, for the 2nd fraction, since 54 × 8 = 432,
    21/54 = 21 × 8/54 × 8 = 168/432
  4. Add the two like fractions:
    1080/432 + 168/432 = 1080 + 168/432 = 1248/432
  5. 1248/432 simplified gives 26/9
  6. So, 40/16 + 21/54 = 26/9
    In mixed form: 28/9

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