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Add 30/10 and 21/16

1st number: 3 0/10, 2nd number: 1 5/16

30/10 + 21/16 is 69/16.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 10 × 8 = 80,
    30/10 = 30 × 8/10 × 8 = 240/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    21/16 = 21 × 5/16 × 5 = 105/80
  4. Add the two like fractions:
    240/80 + 105/80 = 240 + 105/80 = 345/80
  5. 345/80 simplified gives 69/16
  6. So, 30/10 + 21/16 = 69/16
    In mixed form: 45/16

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