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Add 84/10 and 21/12

1st number: 8 4/10, 2nd number: 1 9/12

84/10 + 21/12 is 203/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 12 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 10 × 6 = 60,
    84/10 = 84 × 6/10 × 6 = 504/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    21/12 = 21 × 5/12 × 5 = 105/60
  4. Add the two like fractions:
    504/60 + 105/60 = 504 + 105/60 = 609/60
  5. 609/60 simplified gives 203/20
  6. So, 84/10 + 21/12 = 203/20
    In mixed form: 103/20

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