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Add 30/80 and 49/63

30/80 + 49/63 is 83/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 63 is 5040
  2. For the 1st fraction, since 80 × 63 = 5040,
    30/80 = 30 × 63/80 × 63 = 1890/5040
  3. Likewise, for the 2nd fraction, since 63 × 80 = 5040,
    49/63 = 49 × 80/63 × 80 = 3920/5040
  4. Add the two fractions:
    1890/5040 + 3920/5040 = 1890 + 3920/5040 = 5810/5040
  5. After reducing the fraction, the answer is 83/72
  6. In mixed form: 111/72

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