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Add 70/18 and 45/12

1st number: 3 16/18, 2nd number: 3 9/12

70/18 + 45/12 is 275/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 12 is 36
  2. For the 1st fraction, since 18 × 2 = 36,
    70/18 = 70 × 2/18 × 2 = 140/36
  3. Likewise, for the 2nd fraction, since 12 × 3 = 36,
    45/12 = 45 × 3/12 × 3 = 135/36
  4. Add the two fractions:
    140/36 + 135/36 = 140 + 135/36 = 275/36
  5. In mixed form: 723/36

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