Add 8/6 and 81/21
1st number: 1 2/6, 2nd number: 3 18/21
8/6 + 81/21 is 109/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
8/6 = 8 × 7/6 × 7 = 56/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
81/21 = 81 × 2/21 × 2 = 162/42 - Add the two like fractions:
56/42 + 162/42 = 56 + 162/42 = 218/42 - 218/42 simplified gives 109/21
- So, 8/6 + 81/21 = 109/21
In mixed form: 54/21
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