Add 16/81 and 9/21
16/81 + 9/21 is 355/567.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 21 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
16/81 = 16 × 7/81 × 7 = 112/567 - Likewise, for the 2nd fraction, since 21 × 27 = 567,
9/21 = 9 × 27/21 × 27 = 243/567 - Add the two like fractions:
112/567 + 243/567 = 112 + 243/567 = 355/567 - So, 16/81 + 9/21 = 355/567
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