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Add 27/63 and 70/80

27/63 + 70/80 is 73/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 80 is 5040
  2. For the 1st fraction, since 63 × 80 = 5040,
    27/63 = 27 × 80/63 × 80 = 2160/5040
  3. Likewise, for the 2nd fraction, since 80 × 63 = 5040,
    70/80 = 70 × 63/80 × 63 = 4410/5040
  4. Add the two fractions:
    2160/5040 + 4410/5040 = 2160 + 4410/5040 = 6570/5040
  5. After reducing the fraction, the answer is 73/56
  6. In mixed form: 117/56

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