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Add 36/28 and 21/12

1st number: 1 8/28, 2nd number: 1 9/12

36/28 + 21/12 is 85/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 12 is 84
  2. For the 1st fraction, since 28 × 3 = 84,
    36/28 = 36 × 3/28 × 3 = 108/84
  3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
    21/12 = 21 × 7/12 × 7 = 147/84
  4. Add the two fractions:
    108/84 + 147/84 = 108 + 147/84 = 255/84
  5. 255/84 simplified gives 85/28
  6. So, 36/28 + 21/12 = 85/28
    In mixed form: 31/28

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