Add 9/20 and 80/9, Solve 9/20 + 8 8/9 as a fraction

Add 9/20 and 80/9

1^st number: 9/20, 2^nd number: 8 8/9

9/20 + 80/9 is 1681/180.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 9 is 180

Next, find the equivalent fraction of both fractional numbers with denominator 180
For the 1st fraction, since 20 × 9 = 180,
9/20 = 9 × 9/20 × 9 = 81/180
Likewise, for the 2nd fraction, since 9 × 20 = 180,
80/9 = 80 × 20/9 × 20 = 1600/180
Add the two like fractions:
81/180 + 1600/180 = 81 + 1600/180 = 1681/180
So, 9/20 + 80/9 = 1681/180
In mixed form: 961/180

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