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Add 45/9 and 21/28

1st number: 5 0/9, 2nd number: 21/28

45/9 + 21/28 is 23/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 28 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 9 × 28 = 252,
    45/9 = 45 × 28/9 × 28 = 1260/252
  3. Likewise, for the 2nd fraction, since 28 × 9 = 252,
    21/28 = 21 × 9/28 × 9 = 189/252
  4. Add the two like fractions:
    1260/252 + 189/252 = 1260 + 189/252 = 1449/252
  5. 1449/252 simplified gives 23/4
  6. So, 45/9 + 21/28 = 23/4
    In mixed form: 53/4

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