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Add 3/72 and 16/90

3/72 + 16/90 is 79/360.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 90 is 360
  2. For the 1st fraction, since 72 × 5 = 360,
    3/72 = 3 × 5/72 × 5 = 15/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    16/90 = 16 × 4/90 × 4 = 64/360
  4. Add the two fractions:
    15/360 + 64/360 = 15 + 64/360 = 79/360

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