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Add 20/15 and 84/56

1st number: 1 5/15, 2nd number: 1 28/56

20/15 + 84/56 is 17/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 56 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 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,
    84/56 = 84 × 15/56 × 15 = 1260/840
  4. Add the two like fractions:
    1120/840 + 1260/840 = 1120 + 1260/840 = 2380/840
  5. 2380/840 simplified gives 17/6
  6. So, 20/15 + 84/56 = 17/6
    In mixed form: 25/6

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