Add 8/81 and 3/21
8/81 + 3/21 is 137/567.
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,
8/81 = 8 × 7/81 × 7 = 56/567 - Likewise, for the 2nd fraction, since 21 × 27 = 567,
3/21 = 3 × 27/21 × 27 = 81/567 - Add the two like fractions:
56/567 + 81/567 = 56 + 81/567 = 137/567 - So, 8/81 + 3/21 = 137/567
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