Add 4/81 and 25/10, Solve 4/81 + 2 5/10 as a fraction

Add 4/81 and 25/10

1^st number: 4/81, 2^nd number: 2 5/10

4/81 + 25/10 is 413/162.

Find the least common denominator or LCM of the two denominators:
LCM of 81 and 10 is 810

Next, find the equivalent fraction of both fractional numbers with denominator 810
For the 1st fraction, since 81 × 10 = 810,
4/81 = 4 × 10/81 × 10 = 40/810
Likewise, for the 2nd fraction, since 10 × 81 = 810,
25/10 = 25 × 81/10 × 81 = 2025/810
Add the two like fractions:
40/810 + 2025/810 = 40 + 2025/810 = 2065/810
2065/810 simplified gives 413/162
So, 4/81 + 25/10 = 413/162
In mixed form: 289/162

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