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Add 56/15 and 16/20

1st number: 3 11/15, 2nd number: 16/20

56/15 + 16/20 is 68/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 20 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 15 × 4 = 60,
    56/15 = 56 × 4/15 × 4 = 224/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    16/20 = 16 × 3/20 × 3 = 48/60
  4. Add the two like fractions:
    224/60 + 48/60 = 224 + 48/60 = 272/60
  5. 272/60 simplified gives 68/15
  6. So, 56/15 + 16/20 = 68/15
    In mixed form: 48/15

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