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Add 15/84 and 24/90

15/84 + 24/90 is 187/420.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 90 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 84 × 15 = 1260,
    15/84 = 15 × 15/84 × 15 = 225/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    24/90 = 24 × 14/90 × 14 = 336/1260
  4. Add the two like fractions:
    225/1260 + 336/1260 = 225 + 336/1260 = 561/1260
  5. 561/1260 simplified gives 187/420
  6. So, 15/84 + 24/90 = 187/420

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