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Add 4/45 and 7/72

4/45 + 7/72 is 67/360.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 72 is 360
  2. For the 1st fraction, since 45 × 8 = 360,
    4/45 = 4 × 8/45 × 8 = 32/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    7/72 = 7 × 5/72 × 5 = 35/360
  4. Add the two fractions:
    32/360 + 35/360 = 32 + 35/360 = 67/360

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