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Add 36/18 and 3/21

1st number: 2 0/18, 2nd number: 3/21

36/18 + 3/21 is 15/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 21 is 126
  2. For the 1st fraction, since 18 × 7 = 126,
    36/18 = 36 × 7/18 × 7 = 252/126
  3. Likewise, for the 2nd fraction, since 21 × 6 = 126,
    3/21 = 3 × 6/21 × 6 = 18/126
  4. Add the two fractions:
    252/126 + 18/126 = 252 + 18/126 = 270/126
  5. 270/126 simplified gives 15/7
  6. So, 36/18 + 3/21 = 15/7
    In mixed form: 21/7

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