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Add 27/18 and 70/45

1st number: 1 9/18, 2nd number: 1 25/45

27/18 + 70/45 is 55/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 45 is 90
  2. For the 1st fraction, since 18 × 5 = 90,
    27/18 = 27 × 5/18 × 5 = 135/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    70/45 = 70 × 2/45 × 2 = 140/90
  4. Add the two fractions:
    135/90 + 140/90 = 135 + 140/90 = 275/90
  5. 275/90 simplified gives 55/18
  6. So, 27/18 + 70/45 = 55/18
    In mixed form: 31/18

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