Add 30/80 and 18/10, Solve 30/80 + 1 8/10 as a fraction

Add 30/80 and 18/10

1^st number: 30/80, 2^nd number: 1 8/10

30/80 + 18/10 is 87/40.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 10 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 10 × 8 = 80,
18/10 = 18 × 8/10 × 8 = 144/80
Add the two like fractions:
30/80 + 144/80 = 30 + 144/80 = 174/80
174/80 simplified gives 87/40
So, 30/80 + 18/10 = 87/40
In mixed form: 27/40

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