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Add 90/16 and 16/20

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

90/16 + 16/20 is 257/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 20 is 80
  2. For the 1st fraction, since 16 × 5 = 80,
    90/16 = 90 × 5/16 × 5 = 450/80
  3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
    16/20 = 16 × 4/20 × 4 = 64/80
  4. Add the two fractions:
    450/80 + 64/80 = 450 + 64/80 = 514/80
  5. After reducing the fraction, the answer is 257/40
  6. In mixed form: 617/40

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