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Add 7/42 and 18/72

7/42 + 18/72 is 5/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 42 × 12 = 504,
    7/42 = 7 × 12/42 × 12 = 84/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    18/72 = 18 × 7/72 × 7 = 126/504
  4. Add the two like fractions:
    84/504 + 126/504 = 84 + 126/504 = 210/504
  5. 210/504 simplified gives 5/12
  6. So, 7/42 + 18/72 = 5/12

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