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Add 40/16 and 42/5

1st number: 2 8/16, 2nd number: 8 2/5

40/16 + 42/5 is 109/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 5 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 16 × 5 = 80,
    40/16 = 40 × 5/16 × 5 = 200/80
  3. Likewise, for the 2nd fraction, since 5 × 16 = 80,
    42/5 = 42 × 16/5 × 16 = 672/80
  4. Add the two like fractions:
    200/80 + 672/80 = 200 + 672/80 = 872/80
  5. 872/80 simplified gives 109/10
  6. So, 40/16 + 42/5 = 109/10
    In mixed form: 109/10

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