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Add 16/20 and 20/72

16/20 + 20/72 is 97/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 72 is 360
  2. For the 1st fraction, since 20 × 18 = 360,
    16/20 = 16 × 18/20 × 18 = 288/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    20/72 = 20 × 5/72 × 5 = 100/360
  4. Add the two fractions:
    288/360 + 100/360 = 288 + 100/360 = 388/360
  5. 388/360 simplified gives 97/90
  6. So, 16/20 + 20/72 = 97/90
    In mixed form: 17/90

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