Add 90/81 and 40/6
1st number: 1 9/81, 2nd number: 6 4/6
90/81 + 40/6 is 70/9.
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,
40/6 = 40 × 27/6 × 27 = 1080/162 - Add the two like fractions:
180/162 + 1080/162 = 180 + 1080/162 = 1260/162 - 1260/162 simplified gives 70/9
- So, 90/81 + 40/6 = 70/9
In mixed form: 77/9
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