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Add 90/16 and 15/18

1st number: 5 10/16, 2nd number: 15/18

90/16 + 15/18 is 155/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 18 is 144

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 16 × 9 = 144,
    90/16 = 90 × 9/16 × 9 = 810/144
  3. Likewise, for the 2nd fraction, since 18 × 8 = 144,
    15/18 = 15 × 8/18 × 8 = 120/144
  4. Add the two like fractions:
    810/144 + 120/144 = 810 + 120/144 = 930/144
  5. 930/144 simplified gives 155/24
  6. So, 90/16 + 15/18 = 155/24
    In mixed form: 611/24

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