Add 56/21 and 18/81
1st number: 2 14/21, 2nd number: 18/81
56/21 + 18/81 is 26/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 21 × 27 = 567,
56/21 = 56 × 27/21 × 27 = 1512/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
18/81 = 18 × 7/81 × 7 = 126/567 - Add the two like fractions:
1512/567 + 126/567 = 1512 + 126/567 = 1638/567 - 1638/567 simplified gives 26/9
- So, 56/21 + 18/81 = 26/9
In mixed form: 28/9
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