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Add 21/14 and 20/24

1st number: 1 7/14, 2nd number: 20/24

21/14 + 20/24 is 7/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 24 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 14 × 12 = 168,
    21/14 = 21 × 12/14 × 12 = 252/168
  3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
    20/24 = 20 × 7/24 × 7 = 140/168
  4. Add the two like fractions:
    252/168 + 140/168 = 252 + 140/168 = 392/168
  5. 392/168 simplified gives 7/3
  6. So, 21/14 + 20/24 = 7/3
    In mixed form: 21/3

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