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Add 84/45 and 20/84

1st number: 1 39/45, 2nd number: 20/84

84/45 + 20/84 is 221/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 84 is 1260
  2. For the 1st fraction, since 45 × 28 = 1260,
    84/45 = 84 × 28/45 × 28 = 2352/1260
  3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
    20/84 = 20 × 15/84 × 15 = 300/1260
  4. Add the two fractions:
    2352/1260 + 300/1260 = 2352 + 300/1260 = 2652/1260
  5. 2652/1260 simplified gives 221/105
  6. So, 84/45 + 20/84 = 221/105
    In mixed form: 211/105

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