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Add 63/5 and 30/84

1st number: 12 3/5, 2nd number: 30/84

63/5 + 30/84 is 907/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 5 × 84 = 420,
    63/5 = 63 × 84/5 × 84 = 5292/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    30/84 = 30 × 5/84 × 5 = 150/420
  4. Add the two like fractions:
    5292/420 + 150/420 = 5292 + 150/420 = 5442/420
  5. 5442/420 simplified gives 907/70
  6. So, 63/5 + 30/84 = 907/70
    In mixed form: 1267/70

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