Add 12/5 and 30/80, Solve 2 2/5 + 30/80 as a fraction

Add 12/5 and 30/80

1^st number: 2 2/5, 2^nd number: 30/80

12/5 + 30/80 is 111/40.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 5 × 16 = 80,
12/5 = 12 × 16/5 × 16 = 192/80
Likewise, for the 2nd fraction, since 80 × 1 = 80,
30/80 = 30 × 1/80 × 1 = 30/80
Add the two like fractions:
192/80 + 30/80 = 192 + 30/80 = 222/80
222/80 simplified gives 111/40
So, 12/5 + 30/80 = 111/40
In mixed form: 231/40

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