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Add 90/28 and 81/6

1st number: 3 6/28, 2nd number: 13 3/6

90/28 + 81/6 is 117/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 6 is 84
  2. For the 1st fraction, since 28 × 3 = 84,
    90/28 = 90 × 3/28 × 3 = 270/84
  3. Likewise, for the 2nd fraction, since 6 × 14 = 84,
    81/6 = 81 × 14/6 × 14 = 1134/84
  4. Add the two fractions:
    270/84 + 1134/84 = 270 + 1134/84 = 1404/84
  5. 1404/84 simplified gives 117/7
  6. So, 90/28 + 81/6 = 117/7
    In mixed form: 165/7

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