Add 84/42 and 98/81, Solve 2 0/42 + 1 17/81 as a fraction

Add 84/42 and 98/81

1^st number: 2 0/42, 2^nd number: 1 17/81

84/42 + 98/81 is 260/81.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 81 is 1134

Next, find the equivalent fraction of both fractional numbers with denominator 1134
For the 1st fraction, since 42 × 27 = 1134,
84/42 = 84 × 27/42 × 27 = 2268/1134
Likewise, for the 2nd fraction, since 81 × 14 = 1134,
98/81 = 98 × 14/81 × 14 = 1372/1134
Add the two like fractions:
2268/1134 + 1372/1134 = 2268 + 1372/1134 = 3640/1134
3640/1134 simplified gives 260/81
So, 84/42 + 98/81 = 260/81
In mixed form: 317/81

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