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Add 63/10 and 12/84

1st number: 6 3/10, 2nd number: 12/84

63/10 + 12/84 is 451/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 10 × 42 = 420,
    63/10 = 63 × 42/10 × 42 = 2646/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    12/84 = 12 × 5/84 × 5 = 60/420
  4. Add the two like fractions:
    2646/420 + 60/420 = 2646 + 60/420 = 2706/420
  5. 2706/420 simplified gives 451/70
  6. So, 63/10 + 12/84 = 451/70
    In mixed form: 631/70

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