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Add 45/16 and 40/20

1st number: 2 13/16, 2nd number: 2 0/20

45/16 + 40/20 is 77/16.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 16 × 5 = 80,
    45/16 = 45 × 5/16 × 5 = 225/80
  3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
    40/20 = 40 × 4/20 × 4 = 160/80
  4. Add the two like fractions:
    225/80 + 160/80 = 225 + 160/80 = 385/80
  5. 385/80 simplified gives 77/16
  6. So, 45/16 + 40/20 = 77/16
    In mixed form: 413/16

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