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Add 7/16 and 6/21

7/16 + 6/21 is 81/112.

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,
    7/16 = 7 × 21/16 × 21 = 147/336
  3. Likewise, for the 2nd fraction, since 21 × 16 = 336,
    6/21 = 6 × 16/21 × 16 = 96/336
  4. Add the two like fractions:
    147/336 + 96/336 = 147 + 96/336 = 243/336
  5. 243/336 simplified gives 81/112
  6. So, 7/16 + 6/21 = 81/112

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