Add 30/27 and 42/80, Solve 1 3/27 + 42/80 as a fraction

Add 30/27 and 42/80

1^st number: 1 3/27, 2^nd number: 42/80

30/27 + 42/80 is 589/360.

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,
30/27 = 30 × 80/27 × 80 = 2400/2160
Likewise, for the 2nd fraction, since 80 × 27 = 2160,
42/80 = 42 × 27/80 × 27 = 1134/2160
Add the two like fractions:
2400/2160 + 1134/2160 = 2400 + 1134/2160 = 3534/2160
3534/2160 simplified gives 589/360
So, 30/27 + 42/80 = 589/360
In mixed form: 1229/360

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