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Add 40/36 and 21/27

1st number: 1 4/36, 2nd number: 21/27

40/36 + 21/27 is 17/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 27 is 108

    Next, find the equivalent fraction of both fractional numbers with denominator 108
  2. For the 1st fraction, since 36 × 3 = 108,
    40/36 = 40 × 3/36 × 3 = 120/108
  3. Likewise, for the 2nd fraction, since 27 × 4 = 108,
    21/27 = 21 × 4/27 × 4 = 84/108
  4. Add the two like fractions:
    120/108 + 84/108 = 120 + 84/108 = 204/108
  5. 204/108 simplified gives 17/9
  6. So, 40/36 + 21/27 = 17/9
    In mixed form: 18/9

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