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Add 7/28 and 28/72

7/28 + 28/72 is 23/36.

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,
    7/28 = 7 × 18/28 × 18 = 126/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    28/72 = 28 × 7/72 × 7 = 196/504
  4. Add the two like fractions:
    126/504 + 196/504 = 126 + 196/504 = 322/504
  5. 322/504 simplified gives 23/36
  6. So, 7/28 + 28/72 = 23/36

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