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

Add 15/80 and 80/27

1^st number: 15/80, 2^nd number: 2 26/27

15/80 + 80/27 is 1361/432.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 27 is 2160

Next, find the equivalent fraction of both fractional numbers with denominator 2160
For the 1st fraction, since 80 × 27 = 2160,
15/80 = 15 × 27/80 × 27 = 405/2160
Likewise, for the 2nd fraction, since 27 × 80 = 2160,
80/27 = 80 × 80/27 × 80 = 6400/2160
Add the two like fractions:
405/2160 + 6400/2160 = 405 + 6400/2160 = 6805/2160
6805/2160 simplified gives 1361/432
So, 15/80 + 80/27 = 1361/432
In mixed form: 365/432

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