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Add 84/25 and 12/90

1st number: 3 9/25, 2nd number: 12/90

84/25 + 12/90 is 262/75.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 90 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 25 × 18 = 450,
    84/25 = 84 × 18/25 × 18 = 1512/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    12/90 = 12 × 5/90 × 5 = 60/450
  4. Add the two like fractions:
    1512/450 + 60/450 = 1512 + 60/450 = 1572/450
  5. 1572/450 simplified gives 262/75
  6. So, 84/25 + 12/90 = 262/75
    In mixed form: 337/75

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