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Add 18/8 and 18/84

1st number: 2 2/8, 2nd number: 18/84

18/8 + 18/84 is 69/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 84 is 168
  2. For the 1st fraction, since 8 × 21 = 168,
    18/8 = 18 × 21/8 × 21 = 378/168
  3. Likewise, for the 2nd fraction, since 84 × 2 = 168,
    18/84 = 18 × 2/84 × 2 = 36/168
  4. Add the two fractions:
    378/168 + 36/168 = 378 + 36/168 = 414/168
  5. 414/168 simplified gives 69/28
  6. So, 18/8 + 18/84 = 69/28
    In mixed form: 213/28

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