Add 7/81 and 15/9
1st number: 7/81, 2nd number: 1 6/9
7/81 + 15/9 is 142/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 9 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 81 × 1 = 81,
7/81 = 7 × 1/81 × 1 = 7/81 - Likewise, for the 2nd fraction, since 9 × 9 = 81,
15/9 = 15 × 9/9 × 9 = 135/81 - Add the two like fractions:
7/81 + 135/81 = 7 + 135/81 = 142/81 - So, 7/81 + 15/9 = 142/81
In mixed form: 161/81
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