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Add 3/28 and 30/72

3/28 + 30/72 is 11/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 28 × 18 = 504,
    3/28 = 3 × 18/28 × 18 = 54/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    30/72 = 30 × 7/72 × 7 = 210/504
  4. Add the two like fractions:
    54/504 + 210/504 = 54 + 210/504 = 264/504
  5. 264/504 simplified gives 11/21
  6. So, 3/28 + 30/72 = 11/21

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