Add 15/80 and 30/27, Solve 15/80 + 1 3/27 as a fraction

Add 15/80 and 30/27

1^st number: 15/80, 2^nd number: 1 3/27

15/80 + 30/27 is 187/144.

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,
30/27 = 30 × 80/27 × 80 = 2400/2160
Add the two like fractions:
405/2160 + 2400/2160 = 405 + 2400/2160 = 2805/2160
2805/2160 simplified gives 187/144
So, 15/80 + 30/27 = 187/144
In mixed form: 143/144

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