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Add 20/42 and 2/72

20/42 + 2/72 is 127/252.

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,
    20/42 = 20 × 12/42 × 12 = 240/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    2/72 = 2 × 7/72 × 7 = 14/504
  4. Add the two like fractions:
    240/504 + 14/504 = 240 + 14/504 = 254/504
  5. 254/504 simplified gives 127/252
  6. So, 20/42 + 2/72 = 127/252

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