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Add 54/15 and 4/28

1st number: 3 9/15, 2nd number: 4/28

54/15 + 4/28 is 131/35.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 15 × 28 = 420,
    54/15 = 54 × 28/15 × 28 = 1512/420
  3. Likewise, for the 2nd fraction, since 28 × 15 = 420,
    4/28 = 4 × 15/28 × 15 = 60/420
  4. Add the two like fractions:
    1512/420 + 60/420 = 1512 + 60/420 = 1572/420
  5. 1572/420 simplified gives 131/35
  6. So, 54/15 + 4/28 = 131/35
    In mixed form: 326/35

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