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Add 84/90 and 28/72

84/90 + 28/72 is 119/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 90 × 4 = 360,
    84/90 = 84 × 4/90 × 4 = 336/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    28/72 = 28 × 5/72 × 5 = 140/360
  4. Add the two like fractions:
    336/360 + 140/360 = 336 + 140/360 = 476/360
  5. 476/360 simplified gives 119/90
  6. So, 84/90 + 28/72 = 119/90
    In mixed form: 129/90

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