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Add 28/56 and 9/15

28/56 + 9/15 is 11/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 15 is 840
  2. For the 1st fraction, since 56 × 15 = 840,
    28/56 = 28 × 15/56 × 15 = 420/840
  3. Likewise, for the 2nd fraction, since 15 × 56 = 840,
    9/15 = 9 × 56/15 × 56 = 504/840
  4. Add the two fractions:
    420/840 + 504/840 = 420 + 504/840 = 924/840
  5. After reducing the fraction, the answer is 11/10
  6. In mixed form: 11/10

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