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Add 24/18 and 42/21

1st number: 1 6/18, 2nd number: 2 0/21

24/18 + 42/21 is 10/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 21 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 18 × 7 = 126,
    24/18 = 24 × 7/18 × 7 = 168/126
  3. Likewise, for the 2nd fraction, since 21 × 6 = 126,
    42/21 = 42 × 6/21 × 6 = 252/126
  4. Add the two like fractions:
    168/126 + 252/126 = 168 + 252/126 = 420/126
  5. 420/126 simplified gives 10/3
  6. So, 24/18 + 42/21 = 10/3
    In mixed form: 31/3

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