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Add 90/5 and 12/84

1st number: 18 0/5, 2nd number: 12/84

90/5 + 12/84 is 127/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 5 × 84 = 420,
    90/5 = 90 × 84/5 × 84 = 7560/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    12/84 = 12 × 5/84 × 5 = 60/420
  4. Add the two like fractions:
    7560/420 + 60/420 = 7560 + 60/420 = 7620/420
  5. 7620/420 simplified gives 127/7
  6. So, 90/5 + 12/84 = 127/7
    In mixed form: 181/7

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