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Add 3/80 and 84/63

1st number: 3/80, 2nd number: 1 21/63

3/80 + 84/63 is 329/240.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 63 is 5040

    Next, find the equivalent fraction of both fractional numbers with denominator 5040
  2. For the 1st fraction, since 80 × 63 = 5040,
    3/80 = 3 × 63/80 × 63 = 189/5040
  3. Likewise, for the 2nd fraction, since 63 × 80 = 5040,
    84/63 = 84 × 80/63 × 80 = 6720/5040
  4. Add the two like fractions:
    189/5040 + 6720/5040 = 189 + 6720/5040 = 6909/5040
  5. 6909/5040 simplified gives 329/240
  6. So, 3/80 + 84/63 = 329/240
    In mixed form: 189/240

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