Add 15/5 and 80/27, Solve 3 0/5 + 2 26/27 as a fraction

Add 15/5 and 80/27

1^st number: 3 0/5, 2^nd number: 2 26/27

15/5 + 80/27 is 161/27.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 27 is 135

Next, find the equivalent fraction of both fractional numbers with denominator 135
For the 1st fraction, since 5 × 27 = 135,
15/5 = 15 × 27/5 × 27 = 405/135
Likewise, for the 2nd fraction, since 27 × 5 = 135,
80/27 = 80 × 5/27 × 5 = 400/135
Add the two like fractions:
405/135 + 400/135 = 405 + 400/135 = 805/135
805/135 simplified gives 161/27
So, 15/5 + 80/27 = 161/27
In mixed form: 526/27

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