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Add 16/70 and 63/81

16/70 + 63/81 is 317/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 81 is 5670

    Next, find the equivalent fraction of both fractional numbers with denominator 5670
  2. For the 1st fraction, since 70 × 81 = 5670,
    16/70 = 16 × 81/70 × 81 = 1296/5670
  3. Likewise, for the 2nd fraction, since 81 × 70 = 5670,
    63/81 = 63 × 70/81 × 70 = 4410/5670
  4. Add the two like fractions:
    1296/5670 + 4410/5670 = 1296 + 4410/5670 = 5706/5670
  5. 5706/5670 simplified gives 317/315
  6. So, 16/70 + 63/81 = 317/315
    In mixed form: 12/315

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