Add 20/2 and 18/80, Solve 10 0/2 + 18/80 as a fraction

Add 20/2 and 18/80

1^st number: 10 0/2, 2^nd number: 18/80

20/2 + 18/80 is 409/40.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 2 × 40 = 80,
20/2 = 20 × 40/2 × 40 = 800/80
Likewise, for the 2nd fraction, since 80 × 1 = 80,
18/80 = 18 × 1/80 × 1 = 18/80
Add the two like fractions:
800/80 + 18/80 = 800 + 18/80 = 818/80
818/80 simplified gives 409/40
So, 20/2 + 18/80 = 409/40
In mixed form: 109/40

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