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Add 40/3 and 7/21

1st number: 13 1/3, 2nd number: 7/21

40/3 + 7/21 is 41/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 21 is 21

    Next, find the equivalent fraction of both fractional numbers with denominator 21
  2. For the 1st fraction, since 3 × 7 = 21,
    40/3 = 40 × 7/3 × 7 = 280/21
  3. Likewise, for the 2nd fraction, since 21 × 1 = 21,
    7/21 = 7 × 1/21 × 1 = 7/21
  4. Add the two like fractions:
    280/21 + 7/21 = 280 + 7/21 = 287/21
  5. 287/21 simplified gives 41/3
  6. So, 40/3 + 7/21 = 41/3
    In mixed form: 132/3

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