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Add 28/12 and 20/72

1st number: 2 4/12, 2nd number: 20/72

28/12 + 20/72 is 47/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 72 is 72
  2. For the 1st fraction, since 12 × 6 = 72,
    28/12 = 28 × 6/12 × 6 = 168/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    20/72 = 20 × 1/72 × 1 = 20/72
  4. Add the two fractions:
    168/72 + 20/72 = 168 + 20/72 = 188/72
  5. After reducing the fraction, the answer is 47/18
  6. In mixed form: 211/18

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