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Add 18/28 and 90/14

1st number: 18/28, 2nd number: 6 6/14

18/28 + 90/14 is 99/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 14 is 28

    Next, find the equivalent fraction of both fractional numbers with denominator 28
  2. For the 1st fraction, since 28 × 1 = 28,
    18/28 = 18 × 1/28 × 1 = 18/28
  3. Likewise, for the 2nd fraction, since 14 × 2 = 28,
    90/14 = 90 × 2/14 × 2 = 180/28
  4. Add the two like fractions:
    18/28 + 180/28 = 18 + 180/28 = 198/28
  5. 198/28 simplified gives 99/14
  6. So, 18/28 + 90/14 = 99/14
    In mixed form: 71/14

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