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Add 81/18 and 70/16

1st number: 4 9/18, 2nd number: 4 6/16

81/18 + 70/16 is 71/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 16 is 144

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 18 × 8 = 144,
    81/18 = 81 × 8/18 × 8 = 648/144
  3. Likewise, for the 2nd fraction, since 16 × 9 = 144,
    70/16 = 70 × 9/16 × 9 = 630/144
  4. Add the two like fractions:
    648/144 + 630/144 = 648 + 630/144 = 1278/144
  5. 1278/144 simplified gives 71/8
  6. So, 81/18 + 70/16 = 71/8
    In mixed form: 87/8

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