Add 40/27 and 45/80, Solve 1 13/27 + 45/80 as a fraction

Add 40/27 and 45/80

1^st number: 1 13/27, 2^nd number: 45/80

40/27 + 45/80 is 883/432.

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,
45/80 = 45 × 27/80 × 27 = 1215/2160
Add the two like fractions:
3200/2160 + 1215/2160 = 3200 + 1215/2160 = 4415/2160
4415/2160 simplified gives 883/432
So, 40/27 + 45/80 = 883/432
In mixed form: 219/432

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