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Add 7/72 and 28/80

7/72 + 28/80 is 161/360.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 72 × 10 = 720,
    7/72 = 7 × 10/72 × 10 = 70/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    28/80 = 28 × 9/80 × 9 = 252/720
  4. Add the two like fractions:
    70/720 + 252/720 = 70 + 252/720 = 322/720
  5. 322/720 simplified gives 161/360
  6. So, 7/72 + 28/80 = 161/360

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