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Add 81/63 and 70/80

1st number: 1 18/63, 2nd number: 70/80

81/63 + 70/80 is 121/56.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 5040
  2. For the 1st fraction, since 63 × 80 = 5040,
    81/63 = 81 × 80/63 × 80 = 6480/5040
  3. Likewise, for the 2nd fraction, since 80 × 63 = 5040,
    70/80 = 70 × 63/80 × 63 = 4410/5040
  4. Add the two like fractions:
    6480/5040 + 4410/5040 = 6480 + 4410/5040 = 10890/5040
  5. 10890/5040 simplified gives 121/56
  6. So, 81/63 + 70/80 = 121/56
    In mixed form: 29/56

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