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Add 21/12 and 20/49

1st number: 1 9/12, 2nd number: 20/49

21/12 + 20/49 is 423/196.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 49 is 588

    Next, find the equivalent fraction of both fractional numbers with denominator 588
  2. For the 1st fraction, since 12 × 49 = 588,
    21/12 = 21 × 49/12 × 49 = 1029/588
  3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
    20/49 = 20 × 12/49 × 12 = 240/588
  4. Add the two like fractions:
    1029/588 + 240/588 = 1029 + 240/588 = 1269/588
  5. 1269/588 simplified gives 423/196
  6. So, 21/12 + 20/49 = 423/196
    In mixed form: 231/196

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