Add 10/81 and 4/21
10/81 + 4/21 is 178/567.
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,
10/81 = 10 × 7/81 × 7 = 70/567 - Likewise, for the 2nd fraction, since 21 × 27 = 567,
4/21 = 4 × 27/21 × 27 = 108/567 - Add the two like fractions:
70/567 + 108/567 = 70 + 108/567 = 178/567 - So, 10/81 + 4/21 = 178/567
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