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Add 18/72 and 35/84

18/72 + 35/84 is 2/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 84 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    18/72 = 18 × 7/72 × 7 = 126/504
  3. Likewise, for the 2nd fraction, since 84 × 6 = 504,
    35/84 = 35 × 6/84 × 6 = 210/504
  4. Add the two like fractions:
    126/504 + 210/504 = 126 + 210/504 = 336/504
  5. 336/504 simplified gives 2/3
  6. So, 18/72 + 35/84 = 2/3

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