Add 90/81 and 80/6
1st number: 1 9/81, 2nd number: 13 2/6
90/81 + 80/6 is 130/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 6 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 81 × 2 = 162,
90/81 = 90 × 2/81 × 2 = 180/162 - Likewise, for the 2nd fraction, since 6 × 27 = 162,
80/6 = 80 × 27/6 × 27 = 2160/162 - Add the two like fractions:
180/162 + 2160/162 = 180 + 2160/162 = 2340/162 - 2340/162 simplified gives 130/9
- So, 90/81 + 80/6 = 130/9
In mixed form: 144/9
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