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Add 30/84 and 54/8

1st number: 30/84, 2nd number: 6 6/8

30/84 + 54/8 is 199/28.

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,
    30/84 = 30 × 2/84 × 2 = 60/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    54/8 = 54 × 21/8 × 21 = 1134/168
  4. Add the two fractions:
    60/168 + 1134/168 = 60 + 1134/168 = 1194/168
  5. 1194/168 simplified gives 199/28
  6. So, 30/84 + 54/8 = 199/28
    In mixed form: 73/28

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