Add 16/21 and 21/16
1st number: 16/21, 2nd number: 1 5/16
16/21 + 21/16 is 697/336.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
16/21 = 16 × 16/21 × 16 = 256/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
21/16 = 21 × 21/16 × 21 = 441/336 - Add the two like fractions:
256/336 + 441/336 = 256 + 441/336 = 697/336 - So, 16/21 + 21/16 = 697/336
In mixed form: 225/336
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