Add 20/9 and 56/81
1st number: 2 2/9, 2nd number: 56/81
20/9 + 56/81 is 236/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 9 × 9 = 81,
20/9 = 20 × 9/9 × 9 = 180/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
56/81 = 56 × 1/81 × 1 = 56/81 - Add the two like fractions:
180/81 + 56/81 = 180 + 56/81 = 236/81 - So, 20/9 + 56/81 = 236/81
In mixed form: 274/81
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