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Add 20/21 and 15/24

20/21 + 15/24 is 265/168.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 21 × 8 = 168,
    20/21 = 20 × 8/21 × 8 = 160/168
  3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
    15/24 = 15 × 7/24 × 7 = 105/168
  4. Add the two like fractions:
    160/168 + 105/168 = 160 + 105/168 = 265/168
  5. So, 20/21 + 15/24 = 265/168
    In mixed form: 197/168

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