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Add 9/28 and 54/15

1st number: 9/28, 2nd number: 3 9/15

9/28 + 54/15 is 549/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 15 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 28 × 15 = 420,
    9/28 = 9 × 15/28 × 15 = 135/420
  3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
    54/15 = 54 × 28/15 × 28 = 1512/420
  4. Add the two like fractions:
    135/420 + 1512/420 = 135 + 1512/420 = 1647/420
  5. 1647/420 simplified gives 549/140
  6. So, 9/28 + 54/15 = 549/140
    In mixed form: 3129/140

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