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Add 30/56 and 30/72

30/56 + 30/72 is 20/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 56 × 9 = 504,
    30/56 = 30 × 9/56 × 9 = 270/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    30/72 = 30 × 7/72 × 7 = 210/504
  4. Add the two like fractions:
    270/504 + 210/504 = 270 + 210/504 = 480/504
  5. 480/504 simplified gives 20/21
  6. So, 30/56 + 30/72 = 20/21

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