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Add 84/28 and 72/45

1st number: 3 0/28, 2nd number: 1 27/45

84/28 + 72/45 is 23/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 45 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 28 × 45 = 1260,
    84/28 = 84 × 45/28 × 45 = 3780/1260
  3. Likewise, for the 2nd fraction, since 45 × 28 = 1260,
    72/45 = 72 × 28/45 × 28 = 2016/1260
  4. Add the two like fractions:
    3780/1260 + 2016/1260 = 3780 + 2016/1260 = 5796/1260
  5. 5796/1260 simplified gives 23/5
  6. So, 84/28 + 72/45 = 23/5
    In mixed form: 43/5

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