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Add 1/90 and 72/96

1/90 + 72/96 is 137/180.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 96 is 1440

    Next, find the equivalent fraction of both fractional numbers with denominator 1440
  2. For the 1st fraction, since 90 × 16 = 1440,
    1/90 = 1 × 16/90 × 16 = 16/1440
  3. Likewise, for the 2nd fraction, since 96 × 15 = 1440,
    72/96 = 72 × 15/96 × 15 = 1080/1440
  4. Add the two like fractions:
    16/1440 + 1080/1440 = 16 + 1080/1440 = 1096/1440
  5. 1096/1440 simplified gives 137/180
  6. So, 1/90 + 72/96 = 137/180

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