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Add 20/15 and 12/56

1st number: 1 5/15, 2nd number: 12/56

20/15 + 12/56 is 65/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 56 is 840
  2. For the 1st fraction, since 15 × 56 = 840,
    20/15 = 20 × 56/15 × 56 = 1120/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    12/56 = 12 × 15/56 × 15 = 180/840
  4. Add the two fractions:
    1120/840 + 180/840 = 1120 + 180/840 = 1300/840
  5. After reducing the fraction, the answer is 65/42
  6. In mixed form: 123/42

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