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Add 30/84 and 81/8

1st number: 30/84, 2nd number: 10 1/8

30/84 + 81/8 is 587/56.

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,
    30/84 = 30 × 2/84 × 2 = 60/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    81/8 = 81 × 21/8 × 21 = 1701/168
  4. Add the two fractions:
    60/168 + 1701/168 = 60 + 1701/168 = 1761/168
  5. 1761/168 simplified gives 587/56
  6. So, 30/84 + 81/8 = 587/56
    In mixed form: 1027/56

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