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Add 70/81 and 3/8

70/81 + 3/8 is 803/648.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 8 is 648

    Next, find the equivalent fraction of both fractional numbers with denominator 648
  2. For the 1st fraction, since 81 × 8 = 648,
    70/81 = 70 × 8/81 × 8 = 560/648
  3. Likewise, for the 2nd fraction, since 8 × 81 = 648,
    3/8 = 3 × 81/8 × 81 = 243/648
  4. Add the two like fractions:
    560/648 + 243/648 = 560 + 243/648 = 803/648
  5. So, 70/81 + 3/8 = 803/648
    In mixed form: 1155/648

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