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Add 28/21 and 3/36

1st number: 1 7/21, 2nd number: 3/36

28/21 + 3/36 is 17/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 36 is 252
  2. For the 1st fraction, since 21 × 12 = 252,
    28/21 = 28 × 12/21 × 12 = 336/252
  3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
    3/36 = 3 × 7/36 × 7 = 21/252
  4. Add the two fractions:
    336/252 + 21/252 = 336 + 21/252 = 357/252
  5. After reducing the fraction, the answer is 17/12
  6. In mixed form: 15/12

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