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Add 15/20 and 84/49

1st number: 15/20, 2nd number: 1 35/49

15/20 + 84/49 is 69/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 49 is 980

    Next, find the equivalent fraction of both fractional numbers with denominator 980
  2. For the 1st fraction, since 20 × 49 = 980,
    15/20 = 15 × 49/20 × 49 = 735/980
  3. Likewise, for the 2nd fraction, since 49 × 20 = 980,
    84/49 = 84 × 20/49 × 20 = 1680/980
  4. Add the two like fractions:
    735/980 + 1680/980 = 735 + 1680/980 = 2415/980
  5. 2415/980 simplified gives 69/28
  6. So, 15/20 + 84/49 = 69/28
    In mixed form: 213/28

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