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Add 5/42 and 28/72

5/42 + 28/72 is 32/63.

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,
    5/42 = 5 × 12/42 × 12 = 60/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    28/72 = 28 × 7/72 × 7 = 196/504
  4. Add the two like fractions:
    60/504 + 196/504 = 60 + 196/504 = 256/504
  5. 256/504 simplified gives 32/63
  6. So, 5/42 + 28/72 = 32/63

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