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Add 72/45 and 3/18

1st number: 1 27/45, 2nd number: 3/18

72/45 + 3/18 is 53/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 18 is 90
  2. For the 1st fraction, since 45 × 2 = 90,
    72/45 = 72 × 2/45 × 2 = 144/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    3/18 = 3 × 5/18 × 5 = 15/90
  4. Add the two fractions:
    144/90 + 15/90 = 144 + 15/90 = 159/90
  5. After reducing the fraction, the answer is 53/30
  6. In mixed form: 123/30

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