Add 7/5 and 3/81, Solve 1 2/5 + 3/81 as a fraction

Add 7/5 and 3/81

1^st number: 1 2/5, 2^nd number: 3/81

7/5 + 3/81 is 194/135.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 81 is 405

Next, find the equivalent fraction of both fractional numbers with denominator 405
For the 1st fraction, since 5 × 81 = 405,
7/5 = 7 × 81/5 × 81 = 567/405
Likewise, for the 2nd fraction, since 81 × 5 = 405,
3/81 = 3 × 5/81 × 5 = 15/405
Add the two like fractions:
567/405 + 15/405 = 567 + 15/405 = 582/405
582/405 simplified gives 194/135
So, 7/5 + 3/81 = 194/135
In mixed form: 159/135

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