Add 30/80 and 18/8, Solve 30/80 + 2 2/8 as a fraction

Add 30/80 and 18/8

1^st number: 30/80, 2^nd number: 2 2/8

30/80 + 18/8 is 21/8.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 8 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 80 × 1 = 80,
30/80 = 30 × 1/80 × 1 = 30/80
Likewise, for the 2nd fraction, since 8 × 10 = 80,
18/8 = 18 × 10/8 × 10 = 180/80
Add the two like fractions:
30/80 + 180/80 = 30 + 180/80 = 210/80
210/80 simplified gives 21/8
So, 30/80 + 18/8 = 21/8
In mixed form: 25/8

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