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Add 18/24 and 40/21

1st number: 18/24, 2nd number: 1 19/21

18/24 + 40/21 is 223/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 21 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 24 × 7 = 168,
    18/24 = 18 × 7/24 × 7 = 126/168
  3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
    40/21 = 40 × 8/21 × 8 = 320/168
  4. Add the two like fractions:
    126/168 + 320/168 = 126 + 320/168 = 446/168
  5. 446/168 simplified gives 223/84
  6. So, 18/24 + 40/21 = 223/84
    In mixed form: 255/84

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