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Add 21/9 and 90/16

1st number: 2 3/9, 2nd number: 5 10/16

21/9 + 90/16 is 191/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 16 is 144

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 9 × 16 = 144,
    21/9 = 21 × 16/9 × 16 = 336/144
  3. Likewise, for the 2nd fraction, since 16 × 9 = 144,
    90/16 = 90 × 9/16 × 9 = 810/144
  4. Add the two like fractions:
    336/144 + 810/144 = 336 + 810/144 = 1146/144
  5. 1146/144 simplified gives 191/24
  6. So, 21/9 + 90/16 = 191/24
    In mixed form: 723/24

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