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Add 56/16 and 3/21

1st number: 3 8/16, 2nd number: 3/21

56/16 + 3/21 is 51/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 21 is 336

    Next, find the equivalent fraction of both fractional numbers with denominator 336
  2. For the 1st fraction, since 16 × 21 = 336,
    56/16 = 56 × 21/16 × 21 = 1176/336
  3. Likewise, for the 2nd fraction, since 21 × 16 = 336,
    3/21 = 3 × 16/21 × 16 = 48/336
  4. Add the two like fractions:
    1176/336 + 48/336 = 1176 + 48/336 = 1224/336
  5. 1224/336 simplified gives 51/14
  6. So, 56/16 + 3/21 = 51/14
    In mixed form: 39/14

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