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Add 20/30 and 84/72

1st number: 20/30, 2nd number: 1 12/72

20/30 + 84/72 is 11/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 72 is 360
  2. For the 1st fraction, since 30 × 12 = 360,
    20/30 = 20 × 12/30 × 12 = 240/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    84/72 = 84 × 5/72 × 5 = 420/360
  4. Add the two fractions:
    240/360 + 420/360 = 240 + 420/360 = 660/360
  5. 660/360 simplified gives 11/6
  6. So, 20/30 + 84/72 = 11/6
    In mixed form: 15/6

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