Add 18/9 and 10/80, Solve 2 0/9 + 10/80 as a fraction

Add 18/9 and 10/80

1^st number: 2 0/9, 2^nd number: 10/80

18/9 + 10/80 is 17/8.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 80 is 720

Next, find the equivalent fraction of both fractional numbers with denominator 720
For the 1st fraction, since 9 × 80 = 720,
18/9 = 18 × 80/9 × 80 = 1440/720
Likewise, for the 2nd fraction, since 80 × 9 = 720,
10/80 = 10 × 9/80 × 9 = 90/720
Add the two like fractions:
1440/720 + 90/720 = 1440 + 90/720 = 1530/720
1530/720 simplified gives 17/8
So, 18/9 + 10/80 = 17/8
In mixed form: 21/8

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