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Add 1/84 and 18/72

1/84 + 18/72 is 11/42.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 84 × 6 = 504,
    1/84 = 1 × 6/84 × 6 = 6/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    18/72 = 18 × 7/72 × 7 = 126/504
  4. Add the two like fractions:
    6/504 + 126/504 = 6 + 126/504 = 132/504
  5. 132/504 simplified gives 11/42
  6. So, 1/84 + 18/72 = 11/42

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