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Add 16/5 and 20/72

1st number: 3 1/5, 2nd number: 20/72

16/5 + 20/72 is 313/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 72 is 360
  2. For the 1st fraction, since 5 × 72 = 360,
    16/5 = 16 × 72/5 × 72 = 1152/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    20/72 = 20 × 5/72 × 5 = 100/360
  4. Add the two fractions:
    1152/360 + 100/360 = 1152 + 100/360 = 1252/360
  5. 1252/360 simplified gives 313/90
  6. So, 16/5 + 20/72 = 313/90
    In mixed form: 343/90

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