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Add 9/72 and 12/45

9/72 + 12/45 is 47/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 45 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    9/72 = 9 × 5/72 × 5 = 45/360
  3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
    12/45 = 12 × 8/45 × 8 = 96/360
  4. Add the two like fractions:
    45/360 + 96/360 = 45 + 96/360 = 141/360
  5. 141/360 simplified gives 47/120
  6. So, 9/72 + 12/45 = 47/120

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