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Add 56/20 and 15/18

1st number: 2 16/20, 2nd number: 15/18

56/20 + 15/18 is 109/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 18 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    56/20 = 56 × 9/20 × 9 = 504/180
  3. Likewise, for the 2nd fraction, since 18 × 10 = 180,
    15/18 = 15 × 10/18 × 10 = 150/180
  4. Add the two like fractions:
    504/180 + 150/180 = 504 + 150/180 = 654/180
  5. 654/180 simplified gives 109/30
  6. So, 56/20 + 15/18 = 109/30
    In mixed form: 319/30

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