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Add 54/15 and 21/25

1st number: 3 9/15, 2nd number: 21/25

54/15 + 21/25 is 111/25.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 25 is 75

    Next, find the equivalent fraction of both fractional numbers with denominator 75
  2. For the 1st fraction, since 15 × 5 = 75,
    54/15 = 54 × 5/15 × 5 = 270/75
  3. Likewise, for the 2nd fraction, since 25 × 3 = 75,
    21/25 = 21 × 3/25 × 3 = 63/75
  4. Add the two like fractions:
    270/75 + 63/75 = 270 + 63/75 = 333/75
  5. 333/75 simplified gives 111/25
  6. So, 54/15 + 21/25 = 111/25
    In mixed form: 411/25

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