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Add 70/18 and 45/8

1st number: 3 16/18, 2nd number: 5 5/8

70/18 + 45/8 is 685/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 8 is 72
  2. For the 1st fraction, since 18 × 4 = 72,
    70/18 = 70 × 4/18 × 4 = 280/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    45/8 = 45 × 9/8 × 9 = 405/72
  4. Add the two fractions:
    280/72 + 405/72 = 280 + 405/72 = 685/72
  5. In mixed form: 937/72

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