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Add 81/18 and 70/8

1st number: 4 9/18, 2nd number: 8 6/8

81/18 + 70/8 is 53/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 8 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 18 × 4 = 72,
    81/18 = 81 × 4/18 × 4 = 324/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    70/8 = 70 × 9/8 × 9 = 630/72
  4. Add the two like fractions:
    324/72 + 630/72 = 324 + 630/72 = 954/72
  5. 954/72 simplified gives 53/4
  6. So, 81/18 + 70/8 = 53/4
    In mixed form: 131/4

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