Add 1/16 and 20/21
1/16 + 20/21 is 341/336.
Steps for adding fractions
- 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 - For the 1st fraction, since 16 × 21 = 336,
1/16 = 1 × 21/16 × 21 = 21/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
20/21 = 20 × 16/21 × 16 = 320/336 - Add the two like fractions:
21/336 + 320/336 = 21 + 320/336 = 341/336 - So, 1/16 + 20/21 = 341/336
In mixed form: 15/336
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