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Add 18/7 and 84/90

1st number: 2 4/7, 2nd number: 84/90

18/7 + 84/90 is 368/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 7 × 90 = 630,
    18/7 = 18 × 90/7 × 90 = 1620/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    84/90 = 84 × 7/90 × 7 = 588/630
  4. Add the two like fractions:
    1620/630 + 588/630 = 1620 + 588/630 = 2208/630
  5. 2208/630 simplified gives 368/105
  6. So, 18/7 + 84/90 = 368/105
    In mixed form: 353/105

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