Add 8/16 and 9/21
8/16 + 9/21 is 13/14.
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,
8/16 = 8 × 21/16 × 21 = 168/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
9/21 = 9 × 16/21 × 16 = 144/336 - Add the two like fractions:
168/336 + 144/336 = 168 + 144/336 = 312/336 - 312/336 simplified gives 13/14
- So, 8/16 + 9/21 = 13/14
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