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Add 28/72 and 15/84

28/72 + 15/84 is 143/252.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 84 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    28/72 = 28 × 7/72 × 7 = 196/504
  3. Likewise, for the 2nd fraction, since 84 × 6 = 504,
    15/84 = 15 × 6/84 × 6 = 90/504
  4. Add the two like fractions:
    196/504 + 90/504 = 196 + 90/504 = 286/504
  5. 286/504 simplified gives 143/252
  6. So, 28/72 + 15/84 = 143/252

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