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Add 45/18 and 80/28

1st number: 2 9/18, 2nd number: 2 24/28

45/18 + 80/28 is 75/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 28 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 18 × 14 = 252,
    45/18 = 45 × 14/18 × 14 = 630/252
  3. Likewise, for the 2nd fraction, since 28 × 9 = 252,
    80/28 = 80 × 9/28 × 9 = 720/252
  4. Add the two like fractions:
    630/252 + 720/252 = 630 + 720/252 = 1350/252
  5. 1350/252 simplified gives 75/14
  6. So, 45/18 + 80/28 = 75/14
    In mixed form: 55/14

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