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Add 28/25 and 21/45

1st number: 1 3/25, 2nd number: 21/45

28/25 + 21/45 is 119/75.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 45 is 225

    Next, find the equivalent fraction of both fractional numbers with denominator 225
  2. For the 1st fraction, since 25 × 9 = 225,
    28/25 = 28 × 9/25 × 9 = 252/225
  3. Likewise, for the 2nd fraction, since 45 × 5 = 225,
    21/45 = 21 × 5/45 × 5 = 105/225
  4. Add the two like fractions:
    252/225 + 105/225 = 252 + 105/225 = 357/225
  5. 357/225 simplified gives 119/75
  6. So, 28/25 + 21/45 = 119/75
    In mixed form: 144/75

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