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Add 28/30 and 20/56

28/30 + 20/56 is 271/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 56 is 840
  2. For the 1st fraction, since 30 × 28 = 840,
    28/30 = 28 × 28/30 × 28 = 784/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    20/56 = 20 × 15/56 × 15 = 300/840
  4. Add the two fractions:
    784/840 + 300/840 = 784 + 300/840 = 1084/840
  5. After reducing the fraction, the answer is 271/210
  6. In mixed form: 161/210

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