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Add 3/2 and 90/84

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

3/2 + 90/84 is 18/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 84 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 2 × 42 = 84,
    3/2 = 3 × 42/2 × 42 = 126/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    90/84 = 90 × 1/84 × 1 = 90/84
  4. Add the two like fractions:
    126/84 + 90/84 = 126 + 90/84 = 216/84
  5. 216/84 simplified gives 18/7
  6. So, 3/2 + 90/84 = 18/7
    In mixed form: 24/7

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