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Add 90/16 and 40/9

1st number: 5 10/16, 2nd number: 4 4/9

90/16 + 40/9 is 725/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 9 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 9 × 16 = 144,
    40/9 = 40 × 16/9 × 16 = 640/144
  4. Add the two like fractions:
    810/144 + 640/144 = 810 + 640/144 = 1450/144
  5. 1450/144 simplified gives 725/72
  6. So, 90/16 + 40/9 = 725/72
    In mixed form: 105/72

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