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Add 60/72 and 20/42

60/72 + 20/42 is 55/42.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    60/72 = 60 × 7/72 × 7 = 420/504
  3. Likewise, for the 2nd fraction, since 42 × 12 = 504,
    20/42 = 20 × 12/42 × 12 = 240/504
  4. Add the two like fractions:
    420/504 + 240/504 = 420 + 240/504 = 660/504
  5. 660/504 simplified gives 55/42
  6. So, 60/72 + 20/42 = 55/42
    In mixed form: 113/42

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