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Add 84/21 and 10/36

1st number: 4 0/21, 2nd number: 10/36

84/21 + 10/36 is 77/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 36 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 21 × 12 = 252,
    84/21 = 84 × 12/21 × 12 = 1008/252
  3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
    10/36 = 10 × 7/36 × 7 = 70/252
  4. Add the two like fractions:
    1008/252 + 70/252 = 1008 + 70/252 = 1078/252
  5. 1078/252 simplified gives 77/18
  6. So, 84/21 + 10/36 = 77/18
    In mixed form: 45/18

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