Add 25/15 and 4/81, Solve 1 10/15 + 4/81 as a fraction

Add 25/15 and 4/81

1^st number: 1 10/15, 2^nd number: 4/81

25/15 + 4/81 is 139/81.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 81 is 405

Next, find the equivalent fraction of both fractional numbers with denominator 405
For the 1st fraction, since 15 × 27 = 405,
25/15 = 25 × 27/15 × 27 = 675/405
Likewise, for the 2nd fraction, since 81 × 5 = 405,
4/81 = 4 × 5/81 × 5 = 20/405
Add the two like fractions:
675/405 + 20/405 = 675 + 20/405 = 695/405
695/405 simplified gives 139/81
So, 25/15 + 4/81 = 139/81
In mixed form: 158/81

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