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Add 20/90 and 21/96

20/90 + 21/96 is 127/288.

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,
    20/90 = 20 × 16/90 × 16 = 320/1440
  3. Likewise, for the 2nd fraction, since 96 × 15 = 1440,
    21/96 = 21 × 15/96 × 15 = 315/1440
  4. Add the two like fractions:
    320/1440 + 315/1440 = 320 + 315/1440 = 635/1440
  5. 635/1440 simplified gives 127/288
  6. So, 20/90 + 21/96 = 127/288

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