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Add 30/72 and 54/80

30/72 + 54/80 is 131/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 80 is 720
  2. For the 1st fraction, since 72 × 10 = 720,
    30/72 = 30 × 10/72 × 10 = 300/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    54/80 = 54 × 9/80 × 9 = 486/720
  4. Add the two fractions:
    300/720 + 486/720 = 300 + 486/720 = 786/720
  5. 786/720 simplified gives 131/120
  6. So, 30/72 + 54/80 = 131/120
    In mixed form: 111/120

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