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Add 24/84 and 42/90

24/84 + 42/90 is 79/105.

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,
    24/84 = 24 × 15/84 × 15 = 360/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    42/90 = 42 × 14/90 × 14 = 588/1260
  4. Add the two like fractions:
    360/1260 + 588/1260 = 360 + 588/1260 = 948/1260
  5. 948/1260 simplified gives 79/105
  6. So, 24/84 + 42/90 = 79/105

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