Add 40/27 and 15/80, Solve 1 13/27 + 15/80 as a fraction

Add 40/27 and 15/80

1^st number: 1 13/27, 2^nd number: 15/80

40/27 + 15/80 is 721/432.

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

Next, find the equivalent fraction of both fractional numbers with denominator 2160
For the 1st fraction, since 27 × 80 = 2160,
40/27 = 40 × 80/27 × 80 = 3200/2160
Likewise, for the 2nd fraction, since 80 × 27 = 2160,
15/80 = 15 × 27/80 × 27 = 405/2160
Add the two like fractions:
3200/2160 + 405/2160 = 3200 + 405/2160 = 3605/2160
3605/2160 simplified gives 721/432
So, 40/27 + 15/80 = 721/432
In mixed form: 1289/432

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