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Add 90/84 and 27/8

1st number: 1 6/84, 2nd number: 3 3/8

90/84 + 27/8 is 249/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 8 is 168
  2. For the 1st fraction, since 84 × 2 = 168,
    90/84 = 90 × 2/84 × 2 = 180/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    27/8 = 27 × 21/8 × 21 = 567/168
  4. Add the two fractions:
    180/168 + 567/168 = 180 + 567/168 = 747/168
  5. 747/168 simplified gives 249/56
  6. So, 90/84 + 27/8 = 249/56
    In mixed form: 425/56

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