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Add 9/21 and 2/72

9/21 + 2/72 is 115/252.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 21 × 24 = 504,
    9/21 = 9 × 24/21 × 24 = 216/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    2/72 = 2 × 7/72 × 7 = 14/504
  4. Add the two like fractions:
    216/504 + 14/504 = 216 + 14/504 = 230/504
  5. 230/504 simplified gives 115/252
  6. So, 9/21 + 2/72 = 115/252

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