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Add 56/20 and 90/16

1st number: 2 16/20, 2nd number: 5 10/16

56/20 + 90/16 is 337/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 16 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 20 × 4 = 80,
    56/20 = 56 × 4/20 × 4 = 224/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    90/16 = 90 × 5/16 × 5 = 450/80
  4. Add the two like fractions:
    224/80 + 450/80 = 224 + 450/80 = 674/80
  5. 674/80 simplified gives 337/40
  6. So, 56/20 + 90/16 = 337/40
    In mixed form: 817/40

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