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Add 20/16 and 35/21

1st number: 1 4/16, 2nd number: 1 14/21

20/16 + 35/21 is 35/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 21 is 336

    Next, find the equivalent fraction of both fractional numbers with denominator 336
  2. For the 1st fraction, since 16 × 21 = 336,
    20/16 = 20 × 21/16 × 21 = 420/336
  3. Likewise, for the 2nd fraction, since 21 × 16 = 336,
    35/21 = 35 × 16/21 × 16 = 560/336
  4. Add the two like fractions:
    420/336 + 560/336 = 420 + 560/336 = 980/336
  5. 980/336 simplified gives 35/12
  6. So, 20/16 + 35/21 = 35/12
    In mixed form: 211/12

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