Add 16/21 and 9/16
16/21 + 9/16 is 445/336.
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,
9/16 = 9 × 21/16 × 21 = 189/336 - Add the two like fractions:
256/336 + 189/336 = 256 + 189/336 = 445/336 - So, 16/21 + 9/16 = 445/336
In mixed form: 1109/336
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