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Add 25/72 and 20/28

25/72 + 20/28 is 535/504.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    25/72 = 25 × 7/72 × 7 = 175/504
  3. Likewise, for the 2nd fraction, since 28 × 18 = 504,
    20/28 = 20 × 18/28 × 18 = 360/504
  4. Add the two like fractions:
    175/504 + 360/504 = 175 + 360/504 = 535/504
  5. So, 25/72 + 20/28 = 535/504
    In mixed form: 131/504

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