Add 84/2 and 7/81
1st number: 42 0/2, 2nd number: 7/81
84/2 + 7/81 is 3409/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 2 × 81 = 162,
84/2 = 84 × 81/2 × 81 = 6804/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
7/81 = 7 × 2/81 × 2 = 14/162 - Add the two like fractions:
6804/162 + 14/162 = 6804 + 14/162 = 6818/162 - 6818/162 simplified gives 3409/81
- So, 84/2 + 7/81 = 3409/81
In mixed form: 427/81
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