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Add 56/15 and 20/4

1st number: 3 11/15, 2nd number: 5 0/4

56/15 + 20/4 is 131/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 4 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 4 × 15 = 60,
    20/4 = 20 × 15/4 × 15 = 300/60
  4. Add the two like fractions:
    224/60 + 300/60 = 224 + 300/60 = 524/60
  5. 524/60 simplified gives 131/15
  6. So, 56/15 + 20/4 = 131/15
    In mixed form: 811/15

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