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Add 24/42 and 21/24

24/42 + 21/24 is 81/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 24 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 42 × 4 = 168,
    24/42 = 24 × 4/42 × 4 = 96/168
  3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
    21/24 = 21 × 7/24 × 7 = 147/168
  4. Add the two like fractions:
    96/168 + 147/168 = 96 + 147/168 = 243/168
  5. 243/168 simplified gives 81/56
  6. So, 24/42 + 21/24 = 81/56
    In mixed form: 125/56

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