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Add 28/42 and 14/72

28/42 + 14/72 is 31/36.

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,
    28/42 = 28 × 12/42 × 12 = 336/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    14/72 = 14 × 7/72 × 7 = 98/504
  4. Add the two like fractions:
    336/504 + 98/504 = 336 + 98/504 = 434/504
  5. 434/504 simplified gives 31/36
  6. So, 28/42 + 14/72 = 31/36

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