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Add 81/9 and 70/8

1st number: 9 0/9, 2nd number: 8 6/8

81/9 + 70/8 is 71/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 8 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 9 × 8 = 72,
    81/9 = 81 × 8/9 × 8 = 648/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    70/8 = 70 × 9/8 × 9 = 630/72
  4. Add the two like fractions:
    648/72 + 630/72 = 648 + 630/72 = 1278/72
  5. 1278/72 simplified gives 71/4
  6. So, 81/9 + 70/8 = 71/4
    In mixed form: 173/4

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