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Add 12/16 and 21/10

1st number: 12/16, 2nd number: 2 1/10

12/16 + 21/10 is 57/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 10 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 16 × 5 = 80,
    12/16 = 12 × 5/16 × 5 = 60/80
  3. Likewise, for the 2nd fraction, since 10 × 8 = 80,
    21/10 = 21 × 8/10 × 8 = 168/80
  4. Add the two like fractions:
    60/80 + 168/80 = 60 + 168/80 = 228/80
  5. 228/80 simplified gives 57/20
  6. So, 12/16 + 21/10 = 57/20
    In mixed form: 217/20

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